\u7ed3\u6784\u5c42\uff1ahtml\u6216xhtm\u7b49\u6807\u8bb0\u8bed\u8a00\u521b\u5efa<\/p>\n\n\n\n
\u8868\u793a\u5c42\uff1a\u7531css\u521b\u5efa<\/p>\n\n\n\n
\u884c\u4e3a\u5c42\uff1ajs<\/p>\n\n\n\n
\u6807\u7b7e\u9009\u62e9\u5668\uff0c\u7c7b\u540d\u9009\u62e9\u5668\uff0cid\u9009\u62e9\u5668\uff0c\u901a\u914d\u7b26\u9009\u62e9\u5668<\/p>\n\n\n\n
\uff01import>\u5185\u8054\u6837\u5f0f>ID\u9009\u62e9\u5668>\u7c7b\u9009\u62e9\u5668\u3001\u5c5e\u6027\u9009\u62e9\u5668\u3001\u4f2a\u7c7b\u9009\u62e9\u5668>\u5143\u7d20\u9009\u62e9\u5668\u3001\u4f2a\u5143\u7d20\u9009\u62e9\u5668>\u901a\u914d\u7b26\u9009\u62e9\u5668\u3001\u5173\u7cfb\u9009\u62e9\u5668<\/p>\n\n\n\n
\u602a\u5f02\u76d2\u5b50\uff0c\u6807\u51c6\u76d2\u5b50\uff0c\u901a\u8fc7box-sizing\u5207\u6362<\/p>\n\n\n\n
\u7ec4\u6210\uff1a\u5185\u5bb9\uff0c\u5185\u8fb9\u8ddd\uff0c\u8fb9\u6846\uff0c\u5916\u8fb9\u8ddd<\/p>\n\n\n\n
\u5782\u76f4\u5c45\u4e2d\uff1atransform: translate(-50%, -50%)\uff08\u672c\u8eab)\uff0cposition(\u6700\u8fd1\u7684\u7236\u7ea7)<\/p>\n\n\n\n
\u4e0d\u6539\u52a8\u7236\u5143\u7d20\uff1a absolute \/fixed + transform<\/p>\n\n\n\n
color-scheme<\/p>\n\n\n\n
sass\uff1a\u5b9a\u4e49\u53d8\u91cf$\uff0c \u5b9a\u4e49\u6df7\u5408@mixin+\u53d8\u91cf\u540d \u4f7f\u7528\u6df7\u5408@include \u53d8\u91cf\u540d<\/p>\n\n\n\n
less\uff1a \u5b9a\u4e49\u53d8\u91cf@\uff0c \u5b9a\u4e49\u6df7\u5408 \u53d8\u91cf\uff08\uff09 \u4f7f\u7528\u6df7\u5408 .\u53d8\u91cf\uff08\uff09<\/p>\n\n\n\n
\u5c06\u5269\u4f59\u7a7a\u95f4\u6309\u7167\u6bd4\u4f8b\u7ed9\u5143\u7d20\u5206\u914d\u7a7a\u95f4<\/p>\n\n\n\n
flex-grow\uff1a1<\/p>\n\n\n\n
flex-shrink:1<\/p>\n\n\n\n
flex-basis:0<\/p>\n\n\n\n
transition-property\uff1a\u8bbe\u7f6e\u8fc7\u6e21\u6548\u679c<\/p>\n\n\n\n
transition-duration\uff1b\u8fc7\u6e21\u6548\u679c\u7684\u6301\u7eed\u65f6\u95f4<\/p>\n\n\n\n
transition-timing-function\uff1a\u8bbe\u7f6e\u8fc7\u6e21\u7684\u901f\u5ea6\u66f2\u7ebf<\/p>\n\n\n\n
transition-delay\uff1a\u8fc7\u6e21\u6548\u679c\u5f00\u59cb\u524d\u7684\u5ef6\u8fdf\u65f6\u95f4<\/p>\n\n\n\n
\u7edd\u5bf9\u5355\u4f4d\uff08px\uff0cpt\uff09<\/p>\n\n\n\n
\u89c6\u53e3\u76f8\u5bf9\u5355\u4f4d\uff1avw\u3001vh<\/p>\n\n\n\n
rem \u6839\u636e\u6839\u5143\u7d20html\u7684\u5b57\u4f53\u5927\u5c0f<\/p>\n\n\n\n
em \u53c2\u7167\u81ea\u5df1\u7684font-size \uff0c\u82e5\u81ea\u5df1\u6ca1\u6709\u5c31\u53c2\u7167\u7236\u7ea7<\/p>\n\n\n\n
\u5c0f\u7a0b\u5e8f\uff1arpx<\/p>\n\n\n\n
\uff1ahover \u60ac\u505c\u6548\u679c<\/p>\n\n\n\n
\uff1aactive\u70b9\u51fb\u6548\u679c<\/p>\n\n\n\n
\uff1alink\u672a\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5<\/p>\n\n\n\n
\uff1avisited \u88ab\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5<\/p>\n\n\n\n
\uff1afocus \u952e\u76d8\u8f93\u5165\u7126\u70b9\u7684\u5143\u7d20<\/p>\n\n\n\n
\u6587\u672c\u5b57\u4f53\u989c\u8272\u884c\u9ad8\uff0c\u90fd\u80fd\u7ee7\u627f<\/p>\n\n\n\n
\u76d2\u5b50\u5b9a\u4f4d\u80cc\u666f\u8fb9\u8ddd\uff0c\u90fd\u4e0d\u80fd\u7ee7\u627f<\/p>\n\n\n\n
bfc:\u5757\u7ea7\u683c\u5f0f\u5316\u4e0a\u4e0b\u6587,\u9875\u9762\u4e2d\u4e00\u5757\u72ec\u7acb\u3001\u9694\u7edd\u5916\u754c\u6e32\u67d3\u89c4\u5219\u7684\u6e32\u67d3\u533a\u57df\uff0c\u5185\u90e8\u5e03\u5c40\u4e0d\u4f1a\u5f71\u54cd\u5916\u90e8\uff0c\u5916\u90e8\u4e5f\u4e0d\u4f1a\u5e72\u6270\u5185\u90e8\u3002<\/p>\n\n\n\n
1.\u5185\u90e8\u5757\u5143\u7d20\u5782\u76f4\u65b9\u5411\u4f9d\u6b21\u6392\u5217<\/p>\n\n\n\n
2.\u5782\u76f4\u5916\u8fb9\u8ddd\u4f1a\u53d1\u751f\u6298\u53e0\uff08margin \u584c\u9677\uff09\uff0c\u4f46\u540c\u4e00\u4e2a BFC \u5185\u624d\u4f1a\u584c\u9677\uff1b\u4e0d\u540c BFC \u4e4b\u95f4 margin \u4e0d\u584c\u9677<\/p>\n\n\n\n
3.BFC \u533a\u57df\u4e0d\u4f1a\u4e0e\u6d6e\u52a8\u76d2\u5b50\u91cd\u53e0<\/p>\n\n\n\n
float\u4e0d\u4e3anone<\/p>\n\n\n\n
overflow\u4e3ahidden\/scroll\/auto<\/p>\n\n\n\n
display:inline-block<\/p>\n\n\n\n
display:table-cell\/table-caption<\/p>\n\n\n\n
position:absolute\/fixed<\/p>\n\n\n\n
\u6e05\u9664\u6d6e\u52a8\u3001\u89e3\u51b3\u5782\u76f4margin\u584c\u9677\u3001\u5b9e\u73b0\u81ea\u9002\u5e94\u4e24\u680f\u5e03\u5c40<\/p>\n\n\n\n
\u5b9a\u4e49+\u4f7f\u7528+\u63a7\u5236<\/p>\n\n\n\n
@keyframes \u52a8\u753b\u540d<\/p>\n\n\n\n
animation: \u52a8\u753b\u540d \u6301\u7eed\u65f6\u95f4 \u7b49\u5f85\u65f6\u95f4 \u662f\u5426\u5faa\u73af \u5faa\u73af\u6b21\u6570 \u505c\u6b62\u72b6\u6001<\/p>\n\n\n\n
\u901a\u8fc7js dom\u64cd\u4f5c<\/p>\n\n\n\n
sessionStorage\uff1a\u56de\u8bdd\u5b58\u50a8\uff0c\u5173\u95ed\u6807\u7b7e\u9875\u6216\u8005\u6d4f\u89c8\u5668\u7a97\u53e3\u5373\u6e05\u9664\uff0c\u4ec5\u5f53\u524d\u6807\u7b7e\u9875\u53ef\u7528<\/p>\n\n\n\n
localStorage\uff1a\u6c38\u4e45\u5b58\u50a8\uff0c\u9664\u975e\u624b\u52a8\u5220\u9664\uff0c\u540c\u4e00\u57df\u540d\u4e0b\u6240\u6709\u6807\u7b7e\u5171\u4eab<\/p>\n\n\n\n
\u4e24\u8005\u901a\u5e38\u7ea6 5MB<\/p>\n\n\n\n
\u6d45\u62f7\u8d1d\uff1a<\/p>\n\n\n\n
const original = {
name: \"\u6d4b\u8bd5\",
info: { age: 20 } \/\/ \u5d4c\u5957\u5bf9\u8c61
};
\u200b
\/\/ \u6d45\u62f7\u8d1d\u65b9\u5f0f1\uff1aObject.assign()
const shallowCopy = Object.assign({}, original);
\/\/\u65b9\u5f0f2
const shallowCopy = { ...original }; <\/pre>\n\n\n\n\u6df1\u62f7\u8d1d<\/p>\n\n\n\n
function deepClone(target) {
\/\/\u5224\u65ad\u5982\u679c\u662f\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6216\u8005\u4e3a\u7a7a\u76f4\u63a5\u8fd4\u56de
if (typeof target !== \"object\" || target === null) {
return target;
}
const result = Array.isArray(target) ? [] : {};
\u200b
\/\/ \u904d\u5386 target \u6240\u6709\u53ef\u679a\u4e3e\u952e\u540d
for (let key in target) {
\/\/ \u5173\u952e\uff1a\u53ea\u62f7\u8d1d\u3010\u81ea\u8eab\u5c5e\u6027\u3011\uff0c\u4e0d\u62f7\u8d1d\u539f\u578b\u94fe\u4e0a\u7684\u5c5e\u6027
if (target.hasOwnProperty(key)) {
result[key] = deepClone(target[key]);
}
}
return result;
}<\/pre>\n\n\n\n5.\u751f\u547d\u5468\u671f\u51fd\u6570<\/h3>\n\n\n\n
\u521b\u5efa\u5468\u671f\uff1abeforeCreate created<\/p>\n\n\n\n
\u6302\u8f7d\u5468\u671f\uff1abeforeMount Mounted<\/p>\n\n\n\n
\u66f4\u65b0\u5468\u671f: beforeUpdata Updated<\/p>\n\n\n\n
\u9500\u6bc1\u5468\u671f\uff1abeforeDestroy destroyed<\/p>\n\n\n\n
6.\u7bad\u5934\u51fd\u6570\u548c\u666e\u901a\u51fd\u6570\u7684\u6838\u5fc3\u533a\u522b\u6709\u54ea\u4e9b\uff1f<\/h3>\n\n\n\n
\u666e\u901a\u51fd\u6570\uff1a1.\u53ef\u4ee5\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\uff0c\u4f7f\u7528new<\/p>\n\n\n\n
2.\u5185\u7f6earguments,\u63a5\u6536\u6240\u6709\u5b9e\u53c2<\/p>\n\n\n\n
\n- this\u7531\u8c03\u7528\u65b9\u5f0f\u51b3\u5b9a\uff0c\u8c03\u7528\u8c01\u5c31\u6307\u5411\u8c01 4. \u62e5\u6709prototype\u539f\u578b\u5bf9\u8c61<\/li>\n<\/ol>\n\n\n\n
\u7bad\u5934\u51fd\u6570\uff1a1.\u4e0d\u80fd\u4f7f\u7528new<\/p>\n\n\n\n
2.\u4e0d\u5b58\u5728arguments\uff0c\u4f7f\u7528\u5269\u4f59\u53c2\u6570…rest<\/p>\n\n\n\n
3.\u6ca1\u6709\u81ea\u5df1 this\uff0c\u4f1a\u7ee7\u627f\u5916\u5c42\u4f5c\u7528\u4e8e\u7684this\uff0c\u4e00\u65e6\u786e\u5b9a\u6c38\u8fdc\u4e0d\u4f1a\u6539\u53d8<\/p>\n\n\n\n
4.\u4e0d\u5b58\u5728\u539f\u578b\u5bf9\u8c61<\/p>\n\n\n\n
8.IndexDB \u4e0elocalstorage\u5982\u4f55\u9009\u578b\uff0c\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3>\n\n\n\n
IndexDB \uff1a\u6d4f\u89c8\u5668\u5185\u7f6e\u6570\u636e\u5e93\uff0c\u9002\u5408\u5b58\u5927\u91cf\u6570\u636e<\/p>\n\n\n\n
localstorage\uff1a\u5bb9\u91cf\u5c0f<\/p>\n\n\n\n
9.TS\u4e2d\u7684type\u548cinterface\u6709\u4ec0\u4e48\u533a\u522b\uff1fany\u4e0eunknown\u7684\u533a\u522b\uff1f<\/h3>\n\n\n\n
\u4e24\u8005\u90fd\u80fd\u88abclass\u5b9e\u73b0\uff0c\u4f46interface\u66f4\u539f\u751f<\/p>\n\n\n\n
type:<\/p>\n\n\n\n
1.\u57fa\u672c\u7c7b\u578b\u3001\u8054\u5408\u7c7b\u578b\u3001\u5143\u7ec4\u3001\u51fd\u6570\u3001\u5bf9\u8c61\u90fd\u53ef\u4ee5\u5b9a\u4e49<\/p>\n\n\n\n
2\u3001\u7ee7\u627f\u65b9\u5f0f\u4e3a&<\/p>\n\n\n\n
interface\uff1a<\/p>\n\n\n\n
1\u3001\u5b9a\u4e49\u5bf9\u8c61\u548c\u7c7b\u7684\u7ed3\u6784<\/p>\n\n\n\n
2\u3001\u91cd\u590d\u5b9a\u4e49\u4f1a\u81ea\u52a8\u5408\u5e76<\/p>\n\n\n\n
3.\u7ee7\u627f\u65b9\u5f0f\u4ee5\u4e3aextends<\/p>\n\n\n\n
\u80fd\u7528unknown\u5c31\u4e0d\u7528any\uff0cany\u662f\u6700\u540e\u4e00\u9053\u9632\u7ebf\u3002<\/p>\n\n\n\n
any\u662f\u4e0d\u7ba1\u4f60\u662f\u4ec0\u4e48\u7c7b\u578b\u90fd\u53ef\u4ee5\uff0cunknown\u662f\u6211\u4e0d\u77e5\u9053\u662f\u5565\u7c7b\u578b\uff0c\u6211\u4f1a\u786e\u8ba4\u540e\u518d\u7528<\/p>\n\n\n\n
10..TS\u4e2d\u7684&&\uff0c!\uff0c\uff1f\uff1f\u5206\u522b\u8868\u793a\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n
&&\u903b\u8f91\u4e0e<\/p>\n\n\n\n
\uff01\u903b\u8f91\u975e<\/p>\n\n\n\n
\uff1f\uff1f\u7a7a\u503c\u5408\u5e76\u8fd0\u7b97\u7b26\uff08\u53ea\u6709null\u548cundefined\u88ab\u5f53\u505a\u7a7a\uff09<\/p>\n\n\n\n
11.\u4e3a\u4ec0\u4e48\u8981\u7528typescript\uff0c\u600e\u4e48\u7528\u7684\uff1f<\/h3>\n\n\n\n
1.ts\u63d0\u4f9b\u4e86\u9759\u6001\u7c7b\u578b\u68c0\u6d4b<\/p>\n\n\n\n
2.\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/p>\n\n\n\n
3.ts\u7ee7\u627f\u4e86\u5f3a\u5927\u7684\u5f00\u53d1\u5de5\u5177\u652f\u6301\uff0c\u5305\u62ec\u4ee3\u7801\u4e0d\u5168\u3001\u667a\u80fd\u63d0\u793a\u3001\u9519\u8bef\u68c0\u6d4b\u548c\u91cd\u6784\u529f\u80fd<\/p>\n\n\n\n
4.\u652f\u6301\u6700\u65b0\u7684ECMA Script\uff0c\u901a\u8fc7\u7f16\u8bd1\u751f\u6210\u517c\u5bb9\u7684JaveScript\u4ee3\u7801<\/p>\n\n\n\n
12.components\u3001utils\u3001hooks\u7684\u533a\u522b\uff0c\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\uff0c\u5e94\u8be5\u7528\u4e09\u8005\u4e2d\u7684\u54ea\u4e00\u4e2a\uff0c\u5224\u65ad\u4f9d\u636e\u662f\u4ec0\u4e48<\/h3>\n\n\n\n
1\u3001components \uff08\u7ec4\u4ef6\uff09\u53ef\u4ee5\u590d\u7528\u7684\u754c\u9762<\/p>\n\n\n\n
2.hooks\uff08\u94a9\u5b50\uff09 \u53ef\u4ee5\u590d\u7528\u7684\u903b\u8f91<\/p>\n\n\n\n
3.utils \uff08\u5de5\u5177\uff09\u53ef\u4ee5\u590d\u7528\u7684\u51fd\u6570<\/p>\n\n\n\n
13.\u5982\u4f55\u5b9e\u73b0Event bus\uff1f<\/h3>\n\n\n\n
eventBus.on \u76d1\u542c<\/p>\n\n\n\n
eventBus.emit \u53d1\u9001<\/p>\n\n\n\n
eventBus.off \u53d6\u6d88<\/p>\n\n\n\n
14.\u539f\u578b\u94fe\uff1f<\/h3>\n\n\n\n
\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709_proto__\uff08\u9690\u5f0f\u539f\u578b\uff09<\/p>\n\n\n\n
\u6bcf\u4e2a\u51fd\u6570\u90fd\u6709prototype\uff08\u663e\u5f0f\u539f\u578b\uff09<\/p>\n\n\n\n
\u539f\u578b\u94fe\u6700\u9876\u7aef\u662fObject.prototype\uff0c\u518d\u5f80\u4e0a\u662fnull<\/p>\n\n\n\n
\u5bf9\u8c61.proto === \u51fd\u6570.prototype<\/p>\n\n\n\n
15.\u5982\u4f55\u5224\u65adjs\u6570\u636e\u7c7b\u578b\uff1f<\/h3>\n\n\n\n
typeof \u5224\u65ad\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u65e0\u6cd5\u5224\u65ad\u6570\u7ec4\u3001\u5bf9\u8c61\u3001null<\/p>\n\n\n\n
Object.prototype.tostring.call() \u6700\u7cbe\u51c6\uff0c\u53ef\u4ee5\u5224\u65ad\u6240\u6709\u6570\u636e\u7c7b\u578b<\/p>\n\n\n\n
instanceof\uff1a\u5224\u65ad\u5f15\u7528\u6570\u636e\u7c7b\u578b\uff0c\u57fa\u4e8e\u539f\u578b\u94fe<\/p>\n\n\n\n
Array.isArray \u4e13\u95e8\u5224\u65ad\u6570\u7ec4<\/p>\n\n\n\n
16.\u4e8b\u4ef6\u59d4\u6258\uff1f\uff08\u8bb2\u8fc7\uff09<\/h3>\n\n\n\n
\u628a\u4e8b\u60c5\u7ed1\u5b9a\u5728\u7236\u5143\u7d20\u4e0a\uff0c\u8ba9\u7236\u5143\u7d20\u4ee3\u66ff\u5b50\u5143\u7d20\u6267\u884c\u4e8b\u4ef6<\/p>\n\n\n\n
\u9002\u7528\u4e8e<\/strong>\uff1a\u5927\u91cf\u5b50\u5143\u7d20\u9700\u8981\u7ed1\u5b9a\u76f8\u540c\u4e8b\u4ef6<\/p>\n\n\n\n\u52a8\u6001\u751f\u6210\u3001\u672a\u6765\u65b0\u589e\u7684\u5143\u7d20<\/p>\n\n\n\n
\u9700\u8981\u51cf\u5c11\u4e8b\u4ef6\u7ed1\u5b9a\u3001\u63d0\u5347\u9875\u9762\u6027\u80fd<\/p>\n\n\n\n
\u7edf\u4e00\u7ba1\u7406\u4e8b\u4ef6\u903b\u8f91<\/p>\n\n\n\n
\u4e8b\u4ef6\u5192\u6ce1\uff1a\u5f53\u76d2\u5b50\u89e6\u53d1\u4e8b\u4ef6\u540e\uff0c\u4f1a\u9010\u7ea7\u5411\u4e0a\u89e6\u53d1 div=\u300bbody=>html=>document<\/p>\n\n\n\n
\u65f6\u95f4\u6355\u83b7:\u5f53\u76d2\u5b50\u89e6\u53d1\u4e8b\u4ef6\u540e\uff0c\u9876\u5c42\u5bb9\u5668\u4f1a\u9010\u5c42\u5411\u4e0b\u89e6\u53d1\u4e8b\u4ef6\uff0c\u76f4\u5230\u5f53\u524d\u76d2\u5b50\u89e6\u53d1\u4e8b\u4ef6\u540e\u7ed3\u675f<\/p>\n\n\n\n
\u5148\u6355\u83b7==\u5f53\u524d\u76d2\u5b50\u89e6\u53d1===\u5192\u6ce1<\/p>\n\n\n\n
17.\u8ddf\u5728url\u5730\u5740\u680f\u540e\uff0c\u4ee5###\u7684\u5f62\u5f0f\u8fdb\u884c\u8bbf\u95ee\uff0c\u540c\u65f6\u9875\u9762\u663e\u793a\u7684\u533a\u57df \u4f4d\u7f6e\u81ea\u52a8\u53bb\u627e\u5230id=xxx\u7684\u76d2\u5b50\u8fdb\u884c\u663e\u793a\uff08vue router react router\u7684hash\u8def\u7531\u7684\u539f\u7406<\/h3>\n\n\n\n
1.url\u4e2d#\u540e\u9762\u7684\u53ebhash\uff0c\u6539\u53d8\u5b83\u9875\u9762\u4e0d\u5237\u65b0<\/p>\n\n\n\n
2.\u539f\u751f\u6709hashchange\u4e8b\u4ef6\u76d1\u542c\u53d8\u5316<\/p>\n\n\n\n
18.var\u3001let\u3001const\u533a\u522b<\/h3>\n\n\n\n
1.var \u662f\u51fd\u6570\u7ea7\uff0clet\/const \u662f\u5757\u7ea7<\/p>\n\n\n\n
2.var\u80fd\u91cd\u590d\u58f0\u660e\uff0clet\/const \u4e0d\u80fd<\/p>\n\n\n\n
4.const\u5b9a\u4e49\u540e\u57fa\u672c\u7c7b\u578b\u4e0d\u80fd\u6539\uff0c\u5f15\u7528\u7c7b\u578b\u5185\u90e8\u53ef\u4ee5\u6539<\/p>\n\n\n\n
5.var\u53ef\u4ee5\u5148\u4f7f\u7528\u540e\u5b9a\u4e49\u503c\u4e3aundefined\uff0cconst\/let \u4e0d\u53ef\u4ee5<\/p>\n\n\n\n
6.\u5f00\u53d1\u4f18\u5148\u7528const\uff0c\u9700\u8981\u53d8\u518d\u7528let\uff0c\u5c3d\u91cf\u4e0d\u7528var<\/p>\n\n\n\n
19.\u83b7\u53d6\u968f\u673a\u6570<\/h3>\n\n\n\n
Math.random() \u83b7\u53d60-1\u4e4b\u524d\u7684\u6570\u503c\uff0c\u5de6\u95ed\u53f3\u5f00<\/p>\n\n\n\n
\u8fd4\u56de\u4e00\u4e2a\u533a\u95f4\u7684\u6570\u503c\u516c\u5f0f Math.floor(Math.random() * (max – min + 1)) + min;<\/p>\n\n\n\n
20.NUll\u548cundefined\u7684\u533a\u522b<\/h3>\n\n\n\n
undefined\u4e3a\u5df2\u58f0\u660e\uff0c\u4f46\u672a\u8d4b\u503c<\/p>\n\n\n\n
null\uff1a\u4e3b\u52a8\u8d4b\u503c\u4e3a\u7a7a\u5bf9\u8c61<\/p>\n\n\n\n
undefined==null \u4e3atrue undefined===null \u4e3afalse<\/p>\n\n\n\n
typeof undefined=undefined<\/p>\n\n\n\n
typeof null=object<\/p>\n\n\n\n
22.\u63cf\u8ff0innerHTML\uff0cinnerText\uff0cTextContent\u7684\u533a\u522b<\/h3>\n\n\n\n
innerHTML\u8bc6\u522bHTML\u6807\u7b7e\uff0c\u80fd\u63d2\u5165\/\u8bfb\u53d6\u5e26\u6807\u7b7e\u7684\u5185\u5bb9<\/p>\n\n\n\n
innerTEXT \u53ea\u8bc6\u522b\u6587\u672c\uff0c\u4f1a\u53d7css\u6837\u5f0f\u5f71\u54cd\uff08\u9690\u85cf\u7684\u6587\u5b57\u62ff\u4e0d\u5230\uff0c\u4f1a\u89e6\u53d1\u9875\u9762\u91cd\u6392\uff09<\/p>\n\n\n\n
textContent;\u53ea\u8bc6\u522b\u5b58\u6587\u672c\uff0c\u4e0d\u53d7css\u5f71\u54cd\uff0c\u6027\u80fd\u6700\u597d\uff08\u6027\u80fd\u6700\u597d\uff0c\u4e0d\u89e6\u53d1\u91cd\u6392\uff0c\u80fd\u62ff\u5230\u5f71\u85cf\u7684\u6587\u5b57\u3001\u7a7a\u683c\u7b49\uff09<\/p>\n\n\n\n
23\u3001forEach\u4e0efor\u5faa\u73af\uff0c\u8c01\u7684\u6027\u80fd\u66f4\u597d<\/h3>\n\n\n\n
for>forEach<\/p>\n\n\n\n
forEach\u662f\u51fd\u6570\uff0c\u6bcf\u904d\u5386\u4e00\u6b21\uff0c\u90fd\u8981\u8c03\u7528\u8fc7\u4e00\u6b21\u51fd\u6570\uff0c\u8fd8\u8981\u5904\u7406\u53c2\u6570\u3001\u56de\u8c03\u3001this\u6307\u5411\uff0c\u4e0d\u80fd\u4f7f\u7528break\u3001continue\u3001return\u4e2d\u65ad<\/p>\n\n\n\n
for\u662f\u539f\u751f\u8bed\u6cd5\uff0c\u53ea\u6709\u7b80\u5355\u7684\u5224\u65ad\u548c\u81ea\u589e<\/p>\n\n\n\n
25.\u4e8b\u4ef6\u5faa\u73af\u80fd\u89e3\u91ca\u4e00\u4e0b\u5417<\/h3>\n\n\n\n
\u4e8b\u4ef6\u5faa\u73af=\u5148\u6267\u884c\u540c\u6b65-> \u518d\u6267\u884c\u5f02\u6b65\u5fae\u4efb\u52a1->\u6700\u540e\u6267\u884c\u5f02\u6b65\u5b8f\u4efb\u52a1<\/p>\n\n\n\n
\u540c\u6b65\u4efb\u52a1\uff1a\u76f4\u63a5\u5728\u4e3b\u7ebf\u7a0b\u6267\u884c<\/p>\n\n\n\n
\u4f8b\u5982\uff1aconsole.log\u3001\u666e\u901a\u51fd\u6570\u3001\u53d8\u91cf\u8d4b\u503c<\/p>\n\n\n\n
\u5fae\u4efb\u52a1:\u4f18\u5148\u7ea7\u6700\u9ad8<\/p>\n\n\n\n
Promise.then\/catch\/finally<\/p>\n\n\n\n
\u5b8f\u4efb\u52a1\u540e\u6267\u884c\uff1a\u4f18\u5148\u7ea7\u6700\u4f4e<\/p>\n\n\n\n
setTimeout\u3001setINterval\u3001DOM\u65f6\u95f4\uff0cAJAX\/featch<\/p>\n\n\n\n
26.\u6570\u7ec4\/\u5bf9\u8c61 \u5b57\u7b26\u4e32\/\u6570\u5b57 \u64cd\u4f5c\u65b9\u6cd5 (\u8bb2\u8fc7)<\/h4>\n\n\n\n27.\u4f5c\u7528\u57df<\/h4>\n\n\n\n
\u5168\u5c40 \u5c40\u90e8<\/p>\n\n\n\n
\u5757\u7ea7 let {} const {} \u95ed\u5305<\/p>\n\n\n\n
for(var a=5; a>0; a -- ) {
setTimeout(()=>{
console. log(a)
3,0)
\u200b
\/\/ 5\u4e2a0
\u200b
}
\u200b
for(let a=5; a>0; a -- ){
setTimeout(()=>{
console. log(a)
3,0)
\u200b
\/\/54321
\u200b
}<\/pre>\n\n\n\n28.this\u7684\u6307\u5411\uff1fthis\u4ee3\u8868\u7684\u662f\u4ec0\u4e48?\u5982\u4f55\u66f4\u6539this\u6307\u5411\uff1f<\/h4>\n\n\n\n
1.\u5168\u5c40\u7684this \u6307\u5411window<\/p>\n\n\n\n
2.\u4e00\u822c\u51fd\u6570\u5185\u90e8\u7684this \u6307\u5411window<\/p>\n\n\n\n
3.\u5bf9\u8c61\u7684\u65b9\u6cd5\u4e2d\u7684this \u8c01\u8c03\u7528\u6307\u5411\u8c01<\/p>\n\n\n\n
4.\u7bad\u5934\u51fd\u6570\u7684this \u6307\u5411\u7684\u662f\u4e0a\u4e00\u7ea7\u4f5c\u7528\u57df\u51fd\u6570\u5c42\u7ea7\u7684this<\/p>\n\n\n\n
5.\u5b9a\u65f6\u5668 \u5ef6\u65f6\u5668this \u6307\u5411\u4e3awindow<\/p>\n\n\n\n
6.\u7c7b\u4e2d\u7684this \u6307\u5411\u7684\u662f\u5b9e\u4f8b\u5bf9\u8c61<\/p>\n\n\n\n
\u66f4\u6539this\u6307\u5411 call() apply() bind()<\/p>\n\n\n\n
29.\u624b\u5199class\u7c7b \u624b\u6495<\/h4>\n\n\n\nreact<\/h1>\n\n\n\n1.\u7528\u8fc7\u54ea\u4e9breact\u7684hooks<\/h5>\n\n\n\n
useState\u72b6\u6001\u7ba1\u7406<\/p>\n\n\n\n
useEffect\u526f\u4f5c\u7528\u5904\u7406<\/p>\n\n\n\n
useRef\u83b7\u53d6dom\u6216\u5b58\u53d8\u91cf<\/p>\n\n\n\n
useMemo \u7f13\u5b58\u8ba1\u7b97<\/p>\n\n\n\n
UseContext\u8de8\u7ec4\u4ef6\u4f20\u503c<\/p>\n\n\n\n
useNavigate\u8def\u7531\u8df3\u8f6c<\/p>\n\n\n\n
useParams\u83b7\u53d6\u8def\u7531\u53c2\u6570<\/p>\n\n\n\n
2.useState \u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/h5>\n\n\n\n
\u95ed\u5305 + \u94fe\u8868 + \u72b6\u6001\u961f\u5217<\/p>\n\n\n\n
\u521d\u59cb\u5316\u72b6\u6001\uff1a\u5728\u7ec4\u4ef6\u9996\u6b21\u6e32\u67d3\u7684\u65f6\u5019\uff0cuseState\u4f1a\u521b\u5efa\u4e00\u4e2aHook\u5bf9\u8c61\uff0c\u5e76\u5c06\u521d\u59cb\u72b6\u6001\u503c\u5b58\u50a8\u5728\u8be5\u5bf9\u8c61\u4e2d<\/p>\n\n\n\n
\u66f4\u65b0\u72b6\u6001\uff1a\u5f53\u8c03\u7528setState\u51fd\u6570\u65f6\uff0creact\u4f1a\u521b\u5efa\u4e00\u4e2a\u66f4\u65b0\u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u66f4\u65b0\u961f\u5217\u4e2d\u3002\u7136\u540ereact\u89e6\u53d1\u7ec4\u4ef6\u7684\u91cd\u65b0\u6e32\u67d3\uff0c\u5e76\u6839\u636e\u961f\u5217\u4e2d\u7684\u6240\u6709\u66f4\u65b0\u5bf9\u8c61\u6765\u8ba1\u7b97\u65b0\u7684\u72b6\u6001\u503c\u3002<\/p>\n\n\n\n
\u72b6\u6001\u5171\u4eab\uff1a\u5728\u7ec4\u4ef6\u7684\u591a\u6b21\u6e32\u67d3\u4e4b\u95f4\uff0cuseState\u8fd4\u56de\u7684\u72b6\u6001\u503c\u662f\u5171\u4eab\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u6b21\u6e32\u67d3\u65f6\u90fd\u53ef\u4ee5\u8bbf\u95ee\u6700\u65b0\u7684\u72b6\u6001\u503c<\/p>\n\n\n\n
3.\u7b80\u5355\u4ecb\u7ecdReact Fiber\u67b6\u6784\u89e3\u51b3\u4e86\u4ec0\u4e48\u95ee\u9898<\/h5>\n\n\n\n
Fiber \u5c06\u540c\u6b65\u4e0d\u53ef\u6253\u65ad\u7684\u9012\u5f52\u6e32\u67d3\uff0c\u6539\u9020\u4e3a\u5206\u7247\u3001\u53ef\u8c03\u5ea6\u3001\u53ef\u4e2d\u65ad\u7684\u5f02\u6b65\u534f\u8c03\u673a\u5236\uff0c\u89e3\u51b3\u5927\u9875\u9762\u6e32\u67d3\u5361\u987f\uff0c\u540c\u65f6\u652f\u6491 React \u5e76\u53d1\u66f4\u65b0\u80fd\u529b\u3002<\/p>\n\n\n\n
4.\u865a\u62dfDOM\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff0c\u7b80\u5355\u8bb2\u4e0bDiff\u6d41\u7a0b<\/h5>\n\n\n\n
\u865a\u62dfDOM\u662f\u7528js\u5bf9\u8c61\u63cf\u8ff0\u771f\u5b9eDOM\u7ed3\u6784\uff0c\u89e3\u51b3\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n
1.\u76f4\u63a5\u64cd\u4f5cDOM\u6027\u80fd\u5dee\uff0c\u865a\u62dfDOM\u73b0\u5728js\u5c42\u8ba1\u7b97\u53d8\u66f4\uff0c\u6279\u91cf\u4e00\u6b21\u6027\u66f4\u65b0\u771f\u5b9eDOM\uff0c\u51cf\u5c11\u91cd\u7ed8\u91cd\u6392<\/p>\n\n\n\n
2.\u8de8\u5e73\u53f0\u6e32\u67d3\uff1a\u4e00\u5957\u865a\u62dfDOM\u5bf9\u8c61\uff0c\u53ef\u6e32\u67d3\u5230DOM\u3001\u5c0f\u7a0b\u5e8f\u7b49\uff0c\u5b9e\u73b0\u591a\u7aef\u590d\u7528<\/p>\n\n\n\n
3.\u7edf\u4e00\u66f4\u65b0\u903b\u8f91\uff1a\u914d\u5408diff\u7b97\u6cd5\u81ea\u52a8\u5bf9\u6bd4\u65b0\u65e7\u8282\u70b9\u3002 DIff\u6d41\u7a0b\uff1a<\/p>\n\n\n\n
1.\u6811\u5c42\u7ea7\u5bf9\u6bd4<\/p>\n\n\n\n
2.\u540c\u5c42\u7ea7\u5143\u7d20\u5bf9\u6bd4<\/p>\n\n\n\n
3.\u540c\u5c42\u7ea7\u591a\u5b50\u8282\u70b9\u5217\u8868\u5bf9\u6bd4\uff08key\u5173\u952e\uff09<\/p>\n\n\n\n
vue2<\/h1>\n\n\n\n1.vue3\u548cvue2\u533a\u522b<\/h5>\n\n\n\n
vue3 \u5f15\u5165\u4e86<script setup> \u548c\u52a8\u6001css\uff0c\u8fd9\u79cd\u8bed\u6cd5\u7cd6\u7b80\u5316\u4e86\u4ee3\u7801\u7ed3\u6784<\/p>\n\n\n\n
vue3\u63d0\u5347\u4e86ref\u7684\u6027\u80fd<\/p>\n\n\n\n
vue3 \u63a8\u8350\u4f7f\u7528vite\u4f5c\u4e3a\u6784\u5efa\u5de5\u5177\uff0c\u800cvue2\u4ecd\u7136\u4e3b\u8981\u4f9d\u8d56Vue CLI\u3002vite\u63d0\u4f9b\u66f4\u5feb\u7684\u542f\u52a8\u901f\u5ea6\u548c\u70ed\u66f4\u65b0\u80fd\u529b<\/p>\n\n\n\n
2.vue2\u7ec4\u4ef6\u901a\u4fe1<\/h5>\n\n\n\n
\u7236\u4f20\u5b50\uff1a\u4e3b\u8981\u901a\u8fc7props\u5411\u5b50\u7ec4\u4ef6\u4f20\u9012\u6570\u636e<\/p>\n\n\n\n
\u5b50\u4f20\u7236\uff1a\u4f7f\u7528\u81ea\u5b9a\u4e49\u4e8b\u4ef6$emit\u6216ref<\/p>\n\n\n\n
\u5168\u5c40\u72b6\u6001\u7ba1\u7406vuex<\/p>\n\n\n\n
\u5c0f\u578b\u9879\u76ee\u8003\u8651\u4e8b\u4ef6\u603b\u7ebf<\/p>\n\n\n\n
3.\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2av-model\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6<\/h5>\n\n\n\n
\u5b50\u7ec4\u4ef6\u901a\u8fc7props\u63a5\u53d7value<\/p>\n\n\n\n
\u7236\u7ec4\u4ef6\u503c\u53d8\u5316\u65f6$emit(‘input’,\u65b0\u503c)<\/p>\n\n\n\n
\u7236\u7ec4\u4ef6\u76f4\u63a5\u7528v-model\u7ed1\u5b9a<\/p>\n\n\n\n
4.computed\u548cwatch\u7684\u533a\u522b<\/h5>\n\n\n\n
computed \u8ba1\u7b97\u5c5e\u6027 \u4f9d\u8d56\u4e00\u4e2a\u503c\u7b97\u51fa\u4e00\u4e2a\u65b0\u503c\uff0c\u4f7f\u7528return\u8fd4\u56de<\/p>\n\n\n\n
watch \u76d1\u542c\u5668 \u76d1\u542c\u67d0\u4e2a\u503c\u7684\u53d8\u5316\uff0c\u6267\u884c\u4e00\u6bb5\u903b\u8f91\uff0c\u4e0d\u7528return<\/p>\n\n\n\n
5.v-model\u539f\u7406<\/h5>\n\n\n\n
v-model\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\uff0c\u7ed3\u5408\u4e86v-bing\uff08\u7f29\u5199\uff1a\uff09\u548cv-on \uff08@\uff09\u7684\u529f\u80fd\u3002\u5728\u8868\u5355\u5143\u7d20\u4e0a\uff0cv-model\u7b49\u4ef7\u4e8e\u7ed1\u5b9avalue\u5c5e\u6027\u5e76\u76d1\u542cinput\u65f6\u95f4\u3002\u5728\u7ec4\u4ef6\u4e0a\u4ed6\u4f1a\u4f20\u9012value\u5c5e\u6027\u5e76\u76d1\u542cinput\u4e8b\u4ef6\uff0c\u5b9e\u73b0\u7236\u5b50\u7ec4\u4ef6\u4e4b\u524d\u7684\u6570\u636e\u540c\u6b65\u3002<\/p>\n\n\n\n
6.vue\u7ec4\u4ef6\u901a\u4fe1<\/h5>\n\n\n\n
\u7236\u4f20\u5b50 props \u7528readonly\u4fee\u9970\uff0c\u7981\u6b62\u7ec4\u4ef6\u5185\u90e8\u4fee\u6539props<\/p>\n\n\n\n
interface Props{
readonly id:number
}<\/pre>\n\n\n\n\u5b50\u4f20\u7236 $emit<\/p>\n\n\n\n
\u8de8\u7ea7\u7ec4\u4ef6\u4f20\uff1aprovide\/inject<\/p>\n\n\n\n
\u5168\u5c40\u901a\u4fe1EventBus<\/p>\n\n\n\n
\u5168\u5c40\u72b6\u6001\u7ba1\u7406vuex<\/p>\n\n\n\n
7.MvvM\u662f\u4ec0\u4e48\uff1f<\/h5>\n\n\n\n
model \u6570\u636e view\u89c6\u56fe VM\uff1aviewModel\uff1a\u89c6\u56fe\u548c\u6570\u636e\u7684\u53cc\u5411\u7ed1\u5b9a<\/p>\n\n\n\n
MVC:model \u6570\u636e view \u89c6\u56fe control\u3010+serve\u3011\u63a7\u5236\u5c42(\u4e1a\u52a1\u63a7\u5236+)<\/p>\n\n\n\n
8.\u7b80\u5355\u8bf4\u4e0bVue\u4e2dv-if\u548cv-show\u7684\u5dee\u5f02\uff1f<\/h5>\n\n\n\n
v-if\u5f53\u6761\u4ef6\u4e3afalse\u662f\u9500\u6bc1\u5e76\u79fb\u9664dom\u5143\u7d20\u3002\u4e3atrue\u65f6\u521b\u5efa\u5e76\u63d2\u5165dom\u8282\u70b9\u3002<\/p>\n\n\n\n
v-show\u901a\u8fc7display\u6837\u5f0f\u63a7\u5236\u663e\u9690\u3002<\/p>\n\n\n\n
v-if\u9002\u7528\u4e8e\u6761\u4ef6\u53d8\u5316\u4e0d\u9891\u7e41\u3002v-show\u9002\u7528\u4e8e\u9891\u7e41\u5207\u6362\u663e\u9690\u72b6\u6001\u3002<\/p>\n\n\n\n
9.Vue2\u548cVue3\u7684\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\u533a\u522b\uff1f<\/h5>\n\n\n\n
vue2\uff1a\u6570\u636e\u631f\u6301<\/p>\n\n\n\n
vue3:\u901a\u8fc7 reactive\u3001ref \u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\uff0c\u6570\u636e\u53d8\u5316\u65f6\u89e6\u53d1\u4f9d\u8d56\u66f4\u65b0<\/p>\n\n\n\n
10.nextick\u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u5e94\u7528\u573a\u666f\uff0c\u5b9e\u73b0\u539f\u7406\u662f\u4ec0\u4e48<\/h5>\n\n\n\n
nextTick\u662f\u4e00\u4e2aVue\u63d0\u4f9b\u7684\u5f02\u6b65\u65b9\u6cd5\uff0c\u786e\u4fdd\u56de\u8c03\u5728DOM\u66f4\u65b0\u540e\u6267\u884c\u3002\u4ed6\u5229\u7528\u5fae\u4efb\u52a1\u6216\u5b8f\u4efb\u52a1\u673a\u5236\uff0c\u5728\u65f6\u95f4\u5faa\u73af\u7684\u672b\u5c3e\u6267\u884c\u56de\u8c03\uff0c\u5e38\u7528\u4e8e\u6570\u636e\u53d8\u5316\u540e\u9700\u8981\u7b49\u5f85DOM\u66f4\u65b0\u7684\u64cd\u4f5c\u3002\u5c3d\u7ba1\u6570\u636e\u591a\u6b21\u53d8\u66f4\uff0cVue\u4ec5\u5728\u4e0b\u4e00\u4e2atick\u4e2d\u66f4\u65b0\u9875\u9762\u4e00\u6b21\uff0c\u901a\u8fc7watcher\u7ba1\u7406\u548cnextTick\u7684\u56de\u8c03\u961f\u5217\u5b9e\u73b0\u3002nextTick\u4e2d\u7684\u56de\u8c03\u662f\u5728\u4e0b\u6b21DOM\u66f4\u65b0\u5faa\u73af\u7ed3\u675f\u4e4b\u540e\u6267\u884c\u7684\u5ef6\u8fdf\u56de\u8c03\u3002<\/p>\n\n\n\n
vue3<\/h1>\n\n\n\n1.vue3\u54cd\u5e94\u5f0f\u539f\u7406<\/h5>\n\n\n\n
proxy\uff08\u4ee3\u7406\uff09+Reflect(\u53cd\u5c04)<\/p>\n\n\n\n
\u4f7f\u7528proxy\u4ee3\u7406\u6574\u4e2a\u5bf9\u8c61\uff1a\u53ef\u4ee5\u76d1\u542c\u5bf9\u8c61\u3001\u6570\u7ec4\u7684\u4efb\u610f\u53d8\u5316<\/p>\n\n\n\n
\u4f7f\u7528Reflect\u5b8c\u6210\u771f\u5b9e\u64cd\u4f5c\uff1a\u7528\u4e8e\u6267\u884c\u9ed8\u8ba4\u7684\u8d4b\u503c\/\u53d6\u503c\u884c\u4e3a<\/p>\n\n\n\n
get\u4e2d\u6536\u96c6\u4f9d\u8d56\uff08track)<\/p>\n\n\n\n
set\u4e2d\u89e6\u53d1\u4f9d\u8d56(trigger)<\/p>\n\n\n\n
2.vue3\u751f\u547d\u5468\u671f<\/h5>\n\n\n\n
setup\uff08\uff09\u51fd\u6570\u4f5c\u4e3a\u5165\u53e3\u70b9<\/p>\n\n\n\n
onBeforeMount()<\/p>\n\n\n\n
onMounted()<\/p>\n\n\n\n
OnBeforeUpdate()<\/p>\n\n\n\n
onUpdated()<\/p>\n\n\n\n
onBeforeUnmount()<\/p>\n\n\n\n
onUnmounted()<\/p>\n\n\n\n
\u8de8\u7aef<\/h1>\n\n\n\n1.\u591a\u7aef\u9002\u914d\u6709\u505a\u8fc7\u4e48\u3001\u600e\u4e48\u505a\u7684\u3001\u6709\u54ea\u4e9b\u65b9\u6848\uff1f\uff08\u5a92\u4f53\u67e5\u8be2\u3001flex\/grid\u54cd\u5e94\u5f0f\u5e03\u5c40\u3001wv\/wh\u76f8\u5bf9\u5355\u4f4d\uff09<\/h5>\n\n\n\n
flex\u5f39\u6027\u5e03\u5c40<\/p>\n\n\n\n
rem\u9002\u914d<\/p>\n\n\n\n
vw\u9002\u914d<\/p>\n\n\n\n
\u54cd\u5e94\u5f0f\u5e03\u5c40+\u5a92\u4f53\u54cd\u5e94 @media<\/p>\n\n\n\n
\u767e\u5206\u6bd4\u5e03\u5c40+\u56fa\u5b9a\u5bbd\u9ad8<\/p>\n\n\n\n
2.\u5728\u5404\u79cd\u5c4f\u5e55\u5c3a\u5bf8\u5982\u4f55\u4fdd\u8bc1\u67d0\u4e2a\u5143\u7d20\u7684\u7684\u5bbd\u9ad8\u5c3a\u5bf8\u6bd4\u4f8b\u4fdd\u6301\u4e00\u81f4<\/h5>\n\n\n\n
padding\u767e\u5206\u6bd4\u6cd5<\/p>\n\n\n\n
aspect-ratio<\/p>\n\n\n\n
\u524d\u7aef\u5de5\u7a0b\u5316<\/h1>\n\n\n\n1. \u7528\u8fc7webpack\u5417 \u4e3a\u4ec0\u4e48\u7528vite<\/h5>\n\n\n\n
vite \u542f\u52a8\u8d85\u5feb\uff0c\u6309\u9700\u7f16\u8bd1\u3001\u70ed\u66f4\u65b0\u79d2\u5f00\uff0c\u5229\u7528ESBuild\u8fdb\u884c\u4f9d\u8d56\u9884\u6784\u5efa\uff0c\u901f\u5ea6\u6781\u5feb<\/p>\n\n\n\n
webpack \u5148\u628a\u6240\u6709\u6a21\u5757\u6253\u5305\u6210\u4e00\u4e2abundle\uff0c\u5728\u542f\u52a8\u670d\u52a1<\/p>\n\n\n\n
\u524d\u7aef\u6027\u80fd-\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c<\/h1>\n\n\n\n1.\u7c7b\u4f3c\u6296\u97f3\u89c6\u9891\u5de6\u53f3\u6ed1\u52a8\uff0c\u521d\u59cb\u5316\u6709\u5f88\u591a\u4e2a\u89c6\u9891\uff0c\u600e\u4e48\u4fdd\u8bc1\u9996\u6b21\u5feb\u901f\u52a0\u8f7d<\/h5>\n\n\n\n
\u53ea\u6e32\u67d3\u5f53\u524d\u5c4f\u89c6\u9891<\/p>\n\n\n\n
\u9884\u52a0\u8f7d\u4e0b\u4e00\u4e2a\u89c6\u9891<\/p>\n\n\n\n
\u89c6\u9891\u61d2\u52a0\u8f7d<\/p>\n\n\n\n
\u89c6\u9891\u9996\u5e27\u56fe<\/p>\n\n\n\n
4.Token \u4e2d\u5b58\u50a8\u7528\u6237\u4fe1\u606f\u6bcf\u6b21\u67e5\u5e93\u6027\u80fd\u8f83\u5dee\uff0c\u6709\u4ec0\u4e48\u4f18\u5316\u65b9\u6848\uff1f<\/h5>\n\n\n\n
JWT\u628a\u7528\u6237\u4fe1\u606f\u5b58\u5728token\u91cc<\/p>\n\n\n\n
redis\u7f13\u5b58\u7528\u6237\u4fe1\u606f<\/p>\n\n\n\n
\u672c\u5730\u7f13\u5b58\u7528\u6237\u4fe1\u606f<\/p>\n\n\n\n
\u5168\u5c40\u72b6\u6001\u7ba1\u7406\u7c97\u6012\u7528\u6237\u4fe1\u606f<\/p>\n\n\n\n
5.\u5982\u4f55\u9632\u6b62\u653b\u51fb\u8005\u4f2a\u9020 Token<\/h5>\n\n\n\n
JWT\u9a8c\u8bc1<\/p>\n\n\n\n
\u8bbe\u7f6e\u77ed\u8fc7\u671f\u65f6\u95f4<\/p>\n\n\n\n
\u5237\u65b0\u4ee4\u724c\u673a\u5236<\/p>\n\n\n\n
\u4f7f\u7528https\u9632\u6b62\u52ab\u6301<\/p>\n\n\n\n
6.HTTP \u7684\u7f13\u5b58\u673a\u5236<\/h5>\n\n\n\n
\u534f\u5546\u7f13\u5b58\u548c\u5f3a\u5236\u7f13\u5b58<\/p>\n\n\n\n
\u5148\u68c0\u67e5\u5f3a\u7f13\u5b58\uff0c\u547d\u4e2d\u76f4\u63a5\u8bfb\u53d6\u672c\u5730\u7f13\u5b58\uff0c\u4e0d\u5411\u670d\u52a1\u7aef\u53d1\u8bf7\u6c42<\/p>\n\n\n\n
\u5f3a\u7f13\u5b58\u5931\u6548\uff0c\u8d70\u534f\u5546\u7f13\u5b58\uff0c\u670d\u52a1\u7aef\u6821\u9a8c\u8d44\u6e90\u662f\u5426\u66f4\u65b0<\/p>\n\n\n\n
\u8d44\u6e90\u672a\u66f4\u65b0\u8fd4\u56de403\uff0c\u6d4f\u89c8\u5668\u7ee7\u7eed\u7528\u672c\u5730\u7f13\u5b58<\/p>\n\n\n\n
\u8d44\u6e90\u5df2\u66f4\u65b0\u8fd4\u56de200+\u6700\u65b0\u8d44\u6e90\uff0c\u540c\u65f6\u66f4\u65b0\u672c\u5730\u7f13\u5b58<\/p>\n\n\n\n
\u7f51\u7edc\u8bf7\u6c42<\/h1>\n\n\n\n1.\u7f51\u7edc\u540c\u6e90\uff0c\u5982\u4f55\u89e3\u51b3\u8de8\u57df\uff1f\u8be6\u8ff0CORS<\/h5>\n\n\n\n
\u540e\u7aef\u8bbe\u7f6e\u8bf7\u6c42\u5934\uff0c\u544a\u8bc9\u6d4f\u89c8\u5668\u5141\u8bb8\u8de8\u57df<\/p>\n\n\n\n
webpack\/vite\u672c\u5730\u4ee3\u7406<\/p>\n\n\n\n
nginx\u53cd\u5411\u4ee3\u7406<\/p>\n\n\n\n
2.SSE\u548cWebSocket<\/h5>\n\n\n\n
sse\u5355\u5de5\u901a\u9053\uff0c\u53ea\u80fd\u670d\u52a1\u5668\u60f3\u5ba2\u6237\u7aef\u53d1\u6d88\u606f\uff0c\u57fa\u4e8ehttp\uff0c\u81ea\u52a8\u91cd\u8fde<\/p>\n\n\n\n
websocket\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5ba2\u6237\u7aef\u548c\u7528\u6237\u53ef\u4ee5\u4e92\u76f8\u901a\u4fe1\uff0c\u57fa\u4e8etcp\uff0c\u957f\u8fde\u63a5<\/p>\n\n\n\n
3.http\u548chttps\u7684\u533a\u522b<\/h5>\n\n\n\n
http\u7aef\u53e380 https\u7aef\u53e3443<\/p>\n\n\n\n
http\u57fa\u4e8eSSL\/TLS\u52a0\u5bc6<\/p>\n\n\n\n
HTTPS\u9700\u8981\u8bc1\u4e66<\/p>\n\n\n\n
HTTP\u660e\u6587\u4f20\u8f93\u4e0d\u5b89\u5168<\/p>\n\n\n\n
4.get\u548cpost\u533a\u522b<\/h5>\n\n\n\n
get\u7528\u4e8e\u83b7\u53d6\u6570\u636e\uff0cpost\u7528\u4e8e\u63d0\u4ea4\u6570\u636e<\/p>\n\n\n\n
get\u53c2\u6570\u653e\u5728url\uff0cpost \u653e\u5728\u8bf7\u6c42\u4f53<\/p>\n\n\n\n
get\u4e0d\u5b89\u5168 post\u76f8\u5bf9\u5b89\u5168<\/p>\n\n\n\n
get\u53ef\u4ee5\u7f13\u5b58\uff0cpost\u4e0d\u4f1a\u7f13\u5b58<\/p>\n\n\n\n
5..async await<\/h5>\n\n\n\n
\u5f02\u6b65\u8f6c\u540c\u6b65\u5199\u6cd5<\/p>\n\n\n\n
6.axios \u5e95\u5c42\u7528\u7684\u4ec0\u4e48\u6280\u672f<\/h5>\n\n\n\n
XMLHttpRequest<\/p>\n\n\n\n
\u652f\u6301\u8bf7\u6c42\/\u54cd\u5e94\u62e6\u622a\u5668<\/p>\n\n\n\n
\u652f\u6301\u81ea\u52a8\u8f6cJSON<\/p>\n\n\n\n
7.HTTP\u9884\u68c0\u8bf7\u6c42\u662f\u4ec0\u4e48\uff0c\u4ec0\u4e48\u573a\u666f\u4e0b\u4f1a\u89e6\u53d1\u9884\u68c0\u8bf7\u6c42<\/h5>\n\n\n\n
\u8de8\u57df\u65f6\u6d4f\u89c8\u5668\u4e0d\u4f1a\u76f4\u63a5\u53d1\u76ee\u6807\u8bf7\u6c42\uff0c\u800c\u662f\u5148\u81ea\u52a8\u53d1\u9001\u4e00\u6b21options\u8bf7\u6c42\u5411\u540e\u7aef\u54a8\u8be2\u5f53\u524d\u6e90\u3001\u8bf7\u6c42\u65b9\u6cd5\u3001\u8bf7\u6c42\u5934\u662f\u5426\u88ab\u670d\u52a1\u5668\u5141\u8bb8\u8de8\u57df\uff0c\u8fd9\u4e2aoptions\u8bf7\u6c42\u5c31\u53eb\u9884\u68c0\u8bf7\u6c42\u3002<\/p>\n\n\n\n
\u4f5c\u7528\uff1a\u4f53\u68c0\u6821\u9a8c\u8de8\u57df\u6743\u9650\uff0c\u907f\u514d\u76f4\u63a5\u53d1\u9001\u5371\u9669\u8bf7\u6c42\u9020\u6210\u6570\u636e\u6cc4\u9732\/\u4fee\u6539<\/p>\n\n\n\n
8.. Promise \u4e09\u79cd\u72b6\u6001<\/h5>\n\n\n\n
pending \u7b49\u5f85\uff1a\u521d\u59cb\u72b6\u6001\uff0c\u672a\u5b8c\u6210<\/p>\n\n\n\n
fulfilled \u6210\u529f\uff1a\u6267\u884cresolve\uff08\uff09\uff0c\u4e0d\u53ef\u9006<\/p>\n\n\n\n
rejucted \u5931\u8d25\uff1a\u6267\u884creject\uff08\uff09\/\u5185\u90e8\u62a5\u9519\uff0c\u4e0d\u53ef\u9006\uff0c\u72b6\u6001\u4e00\u65e6\u53d8\u66f4\u5c31\u4e0d\u4f1a\u518d\u6539\u53d8<\/p>\n\n\n\n
9.Promise.all\/allSettled \/race\/any \u533a\u522b<\/h5>\n\n\n\n
all\uff1a\u4e00\u4e2a\u5931\u8d25\u5168\u90e8\u5c31\u5931\u8d25\uff0c\u5168\u90e8\u6210\u529f\u624d\u7b97\u6210\u529f<\/p>\n\n\n\n
allsettled:\u4e0d\u7ba1\u6210\u529f\u8fd8\u662f\u5931\u8d25\uff0c\u7b49\u5f85\u5168\u90e8\u5b8c\u6210\uff0c\u7edf\u4e00\u8fd4\u56de\u7ed3\u679c\u6570\u7ec4<\/p>\n\n\n\n
race\uff1a\u8c01\u5148\u6210\u529f\u5c31\u8fd4\u56de\u8c01\uff0c\u5176\u4f59\u4e0d\u7b49\u5f85<\/p>\n\n\n\n
any\uff1a\u53ea\u8981\u6709\u4e00\u4e2a\u6210\u529f\u5c31\u8fd4\u56de\uff0c\u5168\u90e8\u5931\u8d25\u624d\u8fdb\u5165catch<\/p>\n\n\n\n
\u5176\u4ed6<\/h1>\n\n\n\n1git rebase\u548cgit merge\u7684\u533a\u522b<\/h5>\n\n\n\n
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