\n| \n \u9002\u7528\u573a\u666f\u200b<\/p>\n<\/td>\n | \n \u63cf\u8ff0\u4e8b\u7269\u7279\u5f81<\/p>\n<\/td>\n | \n \u5b58\u50a8\u6709\u5e8f\u6570\u636e\u96c6\u5408<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u6570\u7ec4\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u5bf9\u8c61，\u5b83\u4f7f\u7528\u6570\u5b57\u4f5c\u4e3a\u7d22\u5f15\u6765\u64cd\u4f5c\u5143\u7d20\u3002\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\u6574\u6570\u3002<\/p>\n let arr = ['\u5b59\u609f\u7a7a', '\u732a\u516b\u6212', '\u6c99\u548c\u5c1a'];
\nconsole.log(arr[0]); \/\/ \u5b59\u609f\u7a7a
\nconsole.log(arr[1]); \/\/ \u732a\u516b\u6212<\/p>\n
\n\u4e8c\u3001\u6570\u7ec4\u7684\u521b\u5efa\u65b9\u5f0f<\/h3>\n2.1 \u5b57\u9762\u91cf\u521b\u5efa（\u63a8\u8350）<\/h4>\nlet arr1 = [1, 2, 3]; \/\/ \u5e95\u5c42\u81ea\u52a8\u8c03\u7528 new Array()<\/p>\n 2.2 \u6784\u9020\u51fd\u6570\u521b\u5efa<\/h4>\n\/\/ \u7a7a\u6570\u7ec4
\nlet arr2 = new Array();<\/p>\n \/\/ \u76f4\u63a5\u586b\u5145\u5185\u5bb9
\nlet arr3 = new Array("hello", "\u4f60\u597d", 8);<\/p>\n \/\/ \u8bbe\u7f6e\u521d\u59cb\u957f\u5ea6（\u5355\u4e2a\u6570\u5b57\u53c2\u6570）
\nlet arr4 = new Array(5); \/\/ \u521b\u5efa\u957f\u5ea6\u4e3a5\u7684\u7a7a\u6570\u7ec4<\/p>\n \u6ce8\u610f：\u5982\u679c\u6784\u9020\u51fd\u6570\u53ea\u63a5\u6536\u4e00\u4e2a\u6570\u5b57\u53c2\u6570，\u8be5\u6570\u5b57\u8868\u793a\u6570\u7ec4\u957f\u5ea6；\u5176\u4ed6\u60c5\u51b5\u90fd\u4f1a\u6210\u4e3a\u6570\u7ec4\u5143\u7d20\u3002<\/p>\n
\n\u4e09\u3001\u6570\u7ec4\u7684\u57fa\u672c\u64cd\u4f5c<\/h3>\n3.1 \u8bfb\u53d6\u6570\u7ec4\u5143\u7d20<\/h4>\n\u901a\u8fc7\u6570\u7ec4\u540d[\u7d22\u5f15]\u7684\u5f62\u5f0f\u83b7\u53d6\u5143\u7d20\u3002\u5982\u679c\u8bfb\u53d6\u4e0d\u5b58\u5728\u7684\u7d22\u5f15，\u4e0d\u4f1a\u62a5\u9519，\u800c\u662f\u8fd4\u56deundefined\u3002<\/p>\n let arr = ["\u5b59\u609f\u7a7a", "\u732a\u516b\u6212", "\u6c99\u548c\u5c1a", "\u5510\u50e7"];
\nconsole.log(arr[1]); \/\/ "\u732a\u516b\u6212"（\u7d22\u5f15\u4ece0\u5f00\u59cb）
\nconsole.log(arr[10]); \/\/ undefined<\/p>\n 3.2 \u6dfb\u52a0\/\u4fee\u6539\u5143\u7d20<\/h4>\narr[4] = "\u767d\u9aa8\u7cbe"; \/\/ \u65b0\u589e\u5143\u7d20
\narr[0] = "\u7389\u7687\u5927\u5e1d"; \/\/ \u4fee\u6539\u5143\u7d20<\/p>\n 3.3 \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/h4>\n\u4f7f\u7528length\u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6（\u5143\u7d20\u4e2a\u6570）\u3002<\/p>\n console.log(arr.length); \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/p>\n \u6ce8\u610f：\u5bf9\u4e8e\u975e\u8fde\u7eed\u7684\u6570\u7ec4，length\u4f1a\u83b7\u53d6\u5230\u6570\u7ec4\u7684\u6700\u5927\u7d22\u5f15+1\u3002\u5efa\u8bae\u5c3d\u91cf\u4e0d\u8981\u521b\u5efa\u975e\u8fde\u7eed\u7684\u6570\u7ec4\u3002<\/p>\n 3.4 \u4fee\u6539length\u5c5e\u6027<\/h4>\narr.length = 10; \/\/ \u5927\u4e8e\u539f\u957f\u5ea6，\u591a\u51fa\u90e8\u5206\u7a7a\u51fa\u6765
\narr.length = 3; \/\/ \u5c0f\u4e8e\u539f\u957f\u5ea6，\u591a\u51fa\u7684\u5143\u7d20\u88ab\u5220\u9664<\/p>\n 3.5 \u5411\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20<\/h4>\narr[arr.length] = "\u738b\u6bcd"; \/\/ \u52a8\u6001\u6dfb\u52a0<\/p>\n
\n\u56db\u3001\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b<\/h3>\n\u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u662f\u4efb\u610f\u6570\u636e\u7c7b\u578b：\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5bf9\u8c61\u3001\u6570\u7ec4\u3001\u51fd\u6570\u7b49\u3002<\/p>\n let arr = [
\n 1, \/\/ \u6570\u5b57
\n "hello", \/\/ \u5b57\u7b26\u4e32
\n true, \/\/ \u5e03\u5c14\u503c
\n { name: "jack" }, \/\/ \u5bf9\u8c61
\n function() { console.log("hi"); }, \/\/ \u51fd\u6570
\n [2, [66, 88, { age: 18 }], 4] \/\/ \u4e8c\u7ef4\u6570\u7ec4
\n];<\/p>\n \/\/ \u8bbf\u95ee\u65b9\u5f0f
\nconsole.log(arr[3].name); \/\/ "jack"
\narr[4](); \/\/ \u8c03\u7528\u51fd\u6570，\u8f93\u51fa"hi"
\nconsole.log(arr[5][2]); \/\/ 4<\/p>\n
\n\u4e94\u3001\u68c0\u6d4b\u6570\u7ec4\u7684\u65b9\u6cd5<\/h3>\n\n\n\u65b9\u6cd5<\/p>\n \u8bed\u6cd5<\/p>\n \u4f18\u7f3a\u70b9<\/p>\n<\/tr>\n \n\n| \n instanceof\u200b<\/p>\n<\/td>\n | \n arr instanceof Array<\/p>\n<\/td>\n | \n \u8de8iframe\u65f6\u53ef\u80fd\u5931\u6548<\/p>\n<\/td>\n<\/tr>\n | \n| \n Array.isArray()\u200b<\/p>\n<\/td>\n | \n Array.isArray(value)<\/p>\n<\/td>\n | \n \u63a8\u8350\u4f7f\u7528，\u6700\u7b80\u6d01\u53ef\u9760<\/p>\n<\/td>\n<\/tr>\n | \n| \n Object.prototype.toString\u200b<\/p>\n<\/td>\n | \n Object.prototype.toString.call(arr)<\/p>\n<\/td>\n | \n \u517c\u5bb9\u6027\u6781\u4f73<\/p>\n<\/td>\n<\/tr>\n | \n| \n constructor\u200b<\/p>\n<\/td>\n | \n arr.constructor === Array<\/p>\n<\/td>\n | \n constructor\u53ef\u88ab\u4fee\u6539<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n let arr = [1, 2, 3];<\/p>\n console.log(arr instanceof Array); \/\/ true
\nconsole.log(Array.isArray(arr)); \/\/ true（\u63a8\u8350）
\nconsole.log(Object.prototype.toString.call(arr)); \/\/ "[object Array]"
\nconsole.log(arr.constructor === Array); \/\/ true<\/p>\n \u5b9e\u9645\u5f00\u53d1\u63a8\u8350：\u4f18\u5148\u4f7f\u7528Array.isArray()\u3002<\/p>\n
\n\u516d\u3001\u6570\u7ec4\u904d\u5386\u65b9\u6cd5<\/h3>\n6.1 \u57fa\u672cfor\u5faa\u73af<\/h4>\nlet arr = ["red", "orange", "yellow", "green"];
\nfor (let i = 0; i < arr.length; i++) {
\n console.log(arr[i]);
\n}<\/p>\n 6.2 \u4f18\u5316\u7248for\u5faa\u73af（\u7f13\u5b58\u957f\u5ea6）<\/h4>\nfor (let i = 0, len = arr.length; i < len; i++) {
\n console.log(arr[i]);
\n}<\/p>\n 6.3 for…in\u5faa\u73af<\/h4>\nfor (let i in arr) {
\n console.log(arr[i]);
\n}<\/p>\n 6.4 for…of\u5faa\u73af（ES6）<\/h4>\nfor (let v of arr) {
\n console.log(v); \/\/ \u76f4\u63a5\u83b7\u53d6\u5143\u7d20\u503c
\n}
\n\/\/ \u6ce8\u610f：\u666e\u901a\u5bf9\u8c61\u4e0d\u80fd\u4f7f\u7528 for…of<\/p>\n 6.5 forEach()\u65b9\u6cd5<\/h4>\narr.forEach(function(item, index, arr) {
\n console.log(item); \/\/ \u5f53\u524d\u5143\u7d20
\n console.log(index); \/\/ \u5f53\u524d\u7d22\u5f15
\n console.log(arr); \/\/ \u6570\u7ec4\u672c\u8eab
\n});<\/p>\n \u56de\u8c03\u51fd\u6570：\u7531\u6211\u4eec\u521b\u5efa\u4f46\u4e0d\u7531\u6211\u4eec\u8c03\u7528\u7684\u51fd\u6570\u3002\u6570\u7ec4\u4e2d\u6709\u51e0\u4e2a\u5143\u7d20，\u51fd\u6570\u5c31\u6267\u884c\u51e0\u6b21\u3002<\/p>\n
\n\u4e03\u3001\u6570\u7ec4\u6392\u5e8f\u7b97\u6cd5：\u5192\u6ce1\u6392\u5e8f<\/h3>\n\u539f\u7406：\u91cd\u590d\u5730\u8d70\u8bbf\u8fc7\u8981\u6392\u5e8f\u7684\u6570\u5217，\u4e00\u6b21\u6bd4\u8f83\u4e24\u4e2a\u5143\u7d20，\u5982\u679c\u987a\u5e8f\u9519\u8bef\u5c31\u628a\u5b83\u4eec\u4ea4\u6362\u8fc7\u6765\u3002\u8d70\u8bbf\u6570\u5217\u7684\u5de5\u4f5c\u91cd\u590d\u8fdb\u884c，\u76f4\u5230\u6ca1\u6709\u518d\u9700\u8981\u4ea4\u6362\u4e3a\u6b62\u3002<\/p>\n let arr = [1, 3, 6, 4, 5, 2];<\/p>\n for (let i = 0; i < arr.length – 1; i++) {
\n for (let j = 0; j < arr.length – 1 – i; j++) {
\n if (arr[j] > arr[j + 1]) {
\n let temp = arr[j];
\n arr[j] = arr[j + 1];
\n arr[j + 1] = temp;
\n }
\n }
\n}<\/p>\n console.log(arr); \/\/ [1, 2, 3, 4, 5, 6]<\/p>\n
\n\u516b\u3001\u6570\u7ec4\u5143\u7d20\u64cd\u4f5c<\/h3>\n8.1 \u6dfb\u52a0\u5143\u7d20<\/h4>\n\n\n\u65b9\u6cd5<\/p>\n \u529f\u80fd<\/p>\n \u8fd4\u56de\u503c<\/p>\n \u662f\u5426\u6539\u53d8\u539f\u6570\u7ec4<\/p>\n<\/tr>\n \n\n| \n push()<\/p>\n<\/td>\n | \n \u5411\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20<\/p>\n<\/td>\n | \n \u65b0\u6570\u7ec4\u957f\u5ea6<\/p>\n<\/td>\n | \n \u2705<\/p>\n<\/td>\n<\/tr>\n | \n| \n unshift()<\/p>\n<\/td>\n | \n \u5411\u5f00\u5934\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20<\/p>\n<\/td>\n | \n \u65b0\u6570\u7ec4\u957f\u5ea6<\/p>\n<\/td>\n | \n \u2705<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n let arr = ["\u5b59\u609f\u7a7a", "\u6c99\u548c\u5c1a", "\u732a\u516b\u6212"];<\/p>\n \/\/ push() – \u5411\u672b\u5c3e\u6dfb\u52a0
\narr.push("\u5510\u4e09\u85cf", "\u7389\u7687\u5927\u5e1d"); \/\/ \u8fd4\u56de\u65b0\u957f\u5ea6<\/p>\n \/\/ unshift() – \u5411\u5f00\u5934\u6dfb\u52a0
\narr.unshift("\u5510\u4e09\u85cf", "\u7389\u7687\u5927\u5e1d"); \/\/ \u8fd4\u56de\u65b0\u957f\u5ea6<\/p>\n 8.2 \u5220\u9664\u5143\u7d20<\/h4>\n\n\n\u65b9\u6cd5<\/p>\n \u529f\u80fd<\/p>\n \u8fd4\u56de\u503c<\/p>\n \u662f\u5426\u6539\u53d8\u539f\u6570\u7ec4<\/p>\n<\/tr>\n \n\n| \n pop()<\/p>\n<\/td>\n | \n \u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/p>\n<\/td>\n | \n \u88ab\u5220\u9664\u7684\u5143\u7d20<\/p>\n<\/td>\n | \n \u2705<\/p>\n<\/td>\n<\/tr>\n | \n| \n shift()<\/p>\n<\/td>\n | \n \u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n<\/td>\n | \n \u88ab\u5220\u9664\u7684\u5143\u7d20<\/p>\n<\/td>\n | \n \u2705<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \/\/ pop() – \u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20
\nlet lastElement = arr.pop();<\/p>\n \/\/ shift() – \u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20
\nlet firstElement = arr.shift();<\/p>\n
\n\u4e5d\u3001\u6570\u7ec4\u622a\u53d6\u548c\u5220\u9664<\/h3>\n9.1 slice() – \u622a\u53d6\u6570\u7ec4（\u4e0d\u6539\u53d8\u539f\u6570\u7ec4）<\/h4>\nlet arr = ["hello", true, 1, 2, "\u4f60\u597d", undefined, null, "\u95ee\u5fc3"];<\/p>\n let newArr = arr.slice(0, 4); \/\/ \u622a\u53d6\u7d22\u5f150-3
\nnewArr = arr.slice(0); \/\/ \u590d\u5236\u6574\u4e2a\u6570\u7ec4
\nnewArr = arr.slice(0, -1); \/\/ \u622a\u53d6\u5230\u5012\u6570\u7b2c\u4e8c\u4e2a<\/p>\n \u53c2\u6570\u8bf4\u660e：<\/p>\n \n- \n
\u7b2c\u4e00\u4e2a\u53c2\u6570：\u5f00\u59cb\u4f4d\u7f6e\u7d22\u5f15（\u5305\u542b）<\/p>\n<\/li>\n - \n
\u7b2c\u4e8c\u4e2a\u53c2\u6570：\u7ed3\u675f\u4f4d\u7f6e\u7d22\u5f15（\u4e0d\u5305\u542b），\u53ef\u7701\u7565<\/p>\n<\/li>\n - \n
\u652f\u6301\u8d1f\u503c\u7d22\u5f15（-1\u8868\u793a\u5012\u6570\u7b2c\u4e00\u4e2a）<\/p>\n<\/li>\n<\/ul>\n 9.2 splice() – \u5220\u9664\/\u66ff\u6362\u5143\u7d20（\u6539\u53d8\u539f\u6570\u7ec4）<\/h4>\n\/\/ \u5220\u9664\u5143\u7d20
\nlet deleted = arr.splice(0, 1); \/\/ \u4ece\u7d22\u5f150\u5f00\u59cb\u5220\u96641\u4e2a\u5143\u7d20<\/p>\n \/\/ \u66ff\u6362\u5143\u7d20（\u5220\u9664\u5e76\u63d2\u5165\u65b0\u5143\u7d20）
\narr.splice(0, 1, "1", "2", "3");<\/p>\n \u53c2\u6570\u8bf4\u660e：<\/p>\n \n- \n
\u7b2c\u4e00\u4e2a：\u5f00\u59cb\u4f4d\u7f6e\u7684\u7d22\u5f15<\/p>\n<\/li>\n - \n
\u7b2c\u4e8c\u4e2a：\u5220\u9664\u7684\u6570\u91cf<\/p>\n<\/li>\n - \n
\u7b2c\u4e09\u4e2a\u53ca\u4ee5\u540e：\u63d2\u5165\u7684\u65b0\u5143\u7d20<\/p>\n<\/li>\n<\/ul>\n
\n\u5341\u3001\u6570\u7ec4\u67e5\u627e\u65b9\u6cd5<\/h3>\n\n\n\u65b9\u6cd5<\/p>\n \u529f\u80fd<\/p>\n \u8fd4\u56de\u503c<\/p>\n<\/tr>\n \n\n| \n indexOf()<\/p>\n<\/td>\n | \n \u67e5\u627e\u5143\u7d20\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15<\/p>\n<\/td>\n | \n \u7d22\u5f15\u6216-1<\/p>\n<\/td>\n<\/tr>\n | \n| \n lastIndexOf()<\/p>\n<\/td>\n | \n \u67e5\u627e\u5143\u7d20\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15<\/p>\n<\/td>\n | \n \u7d22\u5f15\u6216-1<\/p>\n<\/td>\n<\/tr>\n | \n| \n includes()<\/p>\n<\/td>\n | \n \u5224\u65ad\u6570\u7ec4\u662f\u5426\u5305\u542b\u6307\u5b9a\u5143\u7d20<\/p>\n<\/td>\n | \n true\/false<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n let arr = ["red", "orange", "green", "yellow", "green"];<\/p>\n let index = arr.indexOf("green"); \/\/ 2（\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u7d22\u5f15）
\nlet notFound = arr.indexOf("purple"); \/\/ -1（\u672a\u627e\u5230）
\nlet lastIndex = arr.lastIndexOf("green"); \/\/ 4（\u6700\u540e\u4e00\u4e2a\u5339\u914d\u7684\u7d22\u5f15）
\nlet exists = arr.includes("orange"); \/\/ true<\/p>\n
\n\u5341\u4e00\u3001\u6570\u7ec4\u8f6c\u6362\u548c\u6392\u5e8f<\/h3>\n11.1 \u6570\u7ec4\u5408\u5e76<\/h4>\nlet arr1 = ["\u5b59\u609f\u7a7a", "\u732a\u516b\u6212"];
\nlet arr2 = ["\u5510\u50e7"];
\nlet arr3 = ["\u5ae6\u5a25"];<\/p>\n \/\/ concat()\u65b9\u6cd5
\nlet merged = arr1.concat(arr2, arr3);<\/p>\n \/\/ \u6269\u5c55\u8fd0\u7b97\u7b26（ES6）
\nlet merged2 = […arr1, …arr2, …arr3];<\/p>\n 11.2 \u6570\u7ec4\u8f6c\u5b57\u7b26\u4e32<\/h4>\nlet arr = ["\u5b59\u609f\u7a7a", "\u732a\u516b\u6212", "\u6c99\u548c\u5c1a"];<\/p>\n let str = arr.join(); \/\/ "\u5b59\u609f\u7a7a,\u732a\u516b\u6212,\u6c99\u548c\u5c1a"
\nstr = arr.join("||"); \/\/ "\u5b59\u609f\u7a7a||\u732a\u516b\u6212||\u6c99\u548c\u5c1a"
\nstr = arr.toString(); \/\/ "\u5b59\u609f\u7a7a,\u732a\u516b\u6212,\u6c99\u548c\u5c1a"<\/p>\n 11.3 \u5b57\u7b26\u4e32\u8f6c\u6570\u7ec4<\/h4>\nlet str = "red,orange,yellow";
\nlet arr = str.split(","); \/\/ ["red", "orange", "yellow"]<\/p>\n 11.4 \u6570\u7ec4\u53cd\u8f6c<\/h4>\narr.reverse(); \/\/ \u539f\u5730\u53cd\u8f6c，\u6539\u53d8\u539f\u6570\u7ec4<\/p>\n 11.5 \u6570\u7ec4\u6392\u5e8f<\/h4>\nlet arr = [5, 4, 5, 12, 11, 65, 82, 3];<\/p>\n \/\/ \u9ed8\u8ba4\u6309Unicode\u7f16\u7801\u6392\u5e8f（\u53ef\u80fd\u4e0d\u6b63\u786e）
\narr.sort();<\/p>\n \/\/ \u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219
\narr.sort(function(a, b) {
\n return a – b; \/\/ \u5347\u5e8f
\n \/\/ return b – a; \/\/ \u964d\u5e8f
\n});<\/p>\n \/\/ \u5bf9\u8c61\u6570\u7ec4\u6392\u5e8f
\nlet objArr = [{num: 10}, {num: 20}, {num: 1}];
\nobjArr.sort(function(a, b) {
\n return a.num – b.num; \/\/ \u6309num\u5c5e\u6027\u5347\u5e8f
\n});<\/p>\n \/\/ \u968f\u673a\u6392\u5e8f
\narr.sort(function(a, b) {
\n return Math.random() – 0.5; \/\/ 50%\u6982\u7387\u6b63\u8d1f
\n});<\/p>\n
\n\u5341\u4e8c\u3001\u6570\u7ec4\u9ad8\u7ea7\u65b9\u6cd5：filter()<\/h3>\nfilter()\u65b9\u6cd5\u7528\u4e8e\u8fc7\u6ee4\u6570\u7ec4，\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4，\u5305\u542b\u6240\u6709\u901a\u8fc7\u6d4b\u8bd5\u7684\u5143\u7d20\u3002<\/p>\n let list = [32, 93, 77, 53, 38, 87];
\nlet filtered = list.filter(function(item) {
\n return item > 60; \/\/ \u8fd4\u56de\u5927\u4e8e60\u7684\u5143\u7d20
\n});<\/p>\n console.log(filtered); \/\/ [93, 77, 87]<\/p>\n
\n\u603b\u7ed3<\/h3>\n\u672c\u6587\u7cfb\u7edf\u68b3\u7406\u4e86JavaScript\u6570\u7ec4\u7684\u5b8c\u6574\u77e5\u8bc6\u4f53\u7cfb：<\/p>\n \n\n\u4e3b\u9898<\/p>\n \u6838\u5fc3\u8981\u70b9<\/p>\n<\/tr>\n \n\n| \n \u6570\u7ec4\u6982\u5ff5\u200b<\/p>\n<\/td>\n | \n \u6709\u5e8f\u6570\u636e\u96c6\u5408，\u6570\u5b57\u7d22\u5f15，\u5b58\u50a8\u6027\u80fd\u4f18\u4e8e\u666e\u901a\u5bf9\u8c61<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u521b\u5efa\u65b9\u5f0f\u200b<\/p>\n<\/td>\n | \n \u5b57\u9762\u91cf（\u63a8\u8350）\u548c\u6784\u9020\u51fd\u6570<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u57fa\u672c\u64cd\u4f5c\u200b<\/p>\n<\/td>\n | \n \u8bfb\u53d6\u3001\u6dfb\u52a0\u3001\u4fee\u6539\u3001length\u5c5e\u6027<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u6570\u636e\u7c7b\u578b\u200b<\/p>\n<\/td>\n | \n \u53ef\u5b58\u653e\u4efb\u610f\u7c7b\u578b，\u5305\u62ec\u5bf9\u8c61\u3001\u51fd\u6570\u3001\u6570\u7ec4<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u68c0\u6d4b\u65b9\u6cd5\u200b<\/p>\n<\/td>\n | \n Array.isArray() \u6700\u63a8\u8350<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u904d\u5386\u65b9\u6cd5\u200b<\/p>\n<\/td>\n | \n for\u3001for…in\u3001for…of\u3001forEach<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u6392\u5e8f\u7b97\u6cd5\u200b<\/p>\n<\/td>\n | \n \u5192\u6ce1\u6392\u5e8f<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u589e\u5220\u64cd\u4f5c\u200b<\/p>\n<\/td>\n | \n push\/pop\u3001unshift\/shift<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u622a\u53d6\u5220\u9664\u200b<\/p>\n<\/td>\n | \n slice（\u4e0d\u6539\u53d8\u539f\u6570\u7ec4）\u3001splice（\u6539\u53d8\u539f\u6570\u7ec4）<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u67e5\u627e\u65b9\u6cd5\u200b<\/p>\n<\/td>\n | \n indexOf\u3001lastIndexOf\u3001includes<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u8f6c\u6362\u65b9\u6cd5\u200b<\/p>\n<\/td>\n | \n concat\u3001join\u3001split\u3001reverse\u3001sort<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u9ad8\u7ea7\u65b9\u6cd5\u200b<\/p>\n<\/td>\n | \n filter\u8fc7\u6ee4\u6570\u7ec4<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u638c\u63e1\u8fd9\u4e9b\u5185\u5bb9，\u4f60\u5c31\u5177\u5907\u4e86\u719f\u7ec3\u64cd\u4f5cJavaScript\u6570\u7ec4\u7684\u80fd\u529b\u3002\u6570\u7ec4\u662f\u65e5\u5e38\u5f00\u53d1\u4e2d\u4f7f\u7528\u9891\u7387\u6700\u9ad8\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00，\u5efa\u8bae\u591a\u52a0\u7ec3\u4e60，\u719f\u80fd\u751f\u5de7！<\/p>\n","protected":false},"excerpt":{"rendered":" \u524d\u8a00\u6570\u7ec4\u662fJavaScript\u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u8bb2\u89e3\u6570\u7ec4\u7684\u6982\u5ff5\u3001\u521b\u5efa\u65b9\u5f0f\u3001\u57fa\u672c\u64cd\u4f5c\u3001\u904d\u5386\u65b9\u6cd5\u3001\u6392\u5e8f\u7b97\u6cd5\u3001\u589e\u5220\u6539\u67e5\u4ee5\u53ca\u9ad8\u7ea7\u65b9\u6cd5，\u6db5\u76d6\u6570\u7ec4\u76f8\u5173\u7684\u6240\u6709\u6838\u5fc3\u77e5\u8bc6\u70b9\u3002\u65e0\u8bba\u4f60\u662f\u521d\u5b66\u8005\u8fd8\u662f\u6709\u4e00\u5b9a\u7ecf\u9a8c\u7684\u5f00\u53d1\u8005，\u90fd\u80fd\u4ece\u4e2d\u83b7\u5f97\u6536\u83b7\u3002\u4e00\u3001\u6570\u7ec4\u7684\u6982\u5ff5\u6570\u7ec4\u662f\u6307\u4e00\u7ec4\u6709\u5e8f\u6570\u636e\u7684\u96c6\u5408，\u5176\u4e2d\u6bcf\u4e2a\u6570\u636e\u88ab\u79f0\u4e3a\u5143\u7d20\u3002\u6570\u7ec4\u4e2d\u53ef\u4ee5\u5b58\u653e\u4efb\u610f\u7c7b\u578b\u7684\u5143\u7d20，\u5b83\u662f\u5c06\u4e00\u7ec4\u6570\u636e\u5b58\u50a8\u5728\u5355\u4e2a\u53d8\u91cf\u540d\u4e0b\u7684\u4f18\u96c5\u65b9\u5f0f\u30021.1 \u6570\u7ec4\u4e0e\u666e\u901a\u5bf9\u8c61\u7684\u533a\u522b\u5bf9\u6bd4\u9879\u666e\u901a\u5bf9\u8c61\u6570\u7ec4\u5c5e\u6027\u540d\u200b\u5b57<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[187,87,190],"topic":[],"class_list":["post-83385","post","type-post","status-publish","format-standard","hentry","category-server","tag-javascript","tag-87","tag-190"],"yoast_head":"\n JS\u6570\u7ec4\u5b8c\u5168\u6307\u5357\uff08\u542b\u5341\u5927\u64cd\u4f5c\u8be6\u89e3\uff09 - 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