{"id":2734,"date":"2023-11-14T14:26:31","date_gmt":"2023-11-14T06:26:31","guid":{"rendered":""},"modified":"2023-11-14T14:26:31","modified_gmt":"2023-11-14T06:26:31","slug":"JavaScript \u6570\u7ec4\u5220\u9664","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/2734.html","title":{"rendered":"JavaScript \u6570\u7ec4\u5220\u9664"},"content":{"rendered":"
\n

JavaScript \u6570\u7ec4\u5220\u9664<\/h1>\n<\/div>\n

\u4eceJavaScript\u4e2d\u7684\u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20<\/h2>\n
\n \u6570\u7ec4\u662f\u4e00\u79cd\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u4e00\u4e2a\u6216\u591a\u4e2a\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u3002\u57fa\u672c\u4e0a\uff0c\u5b83\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u6709\u65f6\u6211\u4eec\u9700\u8981\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u8fd9\u4e9b\u5143\u7d20\u3002 JavaScript\u63d0\u4f9b\u4e86\u51e0\u79cd\u5185\u7f6e\u7684\u6570\u7ec4\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece\u6570\u7ec4\u4e2d\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u4ece\u5f00\u59cb\uff0c\u7ed3\u675f\u6216\u4ece\u7279\u5b9a\u7d22\u5f15\u4e2d\u5220\u9664\u5143\u7d20\u3002\n<\/div>\n
\n \u8fd9\u4e9b JavaScript\u6570\u7ec4\u65b9\u6cd5\u5982\u4e0b\uff1a\n<\/div>\n\n\n\n\n\n\n\n
\u65b9\u6cd5<\/td>\n\u8bf4\u660e<\/td>\n<\/tr>\n
pop()<\/strong> <\/td>\n\u6b64\u65b9\u6cd5\u4ece\u6570\u7ec4\u672b\u5c3e\u5220\u9664\u5143\u7d20\u3002<\/td>\n<\/tr>\n
shift()<\/strong> <\/td>\n\u5c31\u50cfpop()\u65b9\u6cd5\u4e00\u6837\uff0c\u5b83\u4e5f\u4f1a\u4ece\u6570\u7ec4\u7684\u5f00\u5934\u5220\u9664\u5143\u7d20\u3002<\/td>\n<\/tr>\n
filter()<\/strong> <\/td>\n filter()\u65b9\u6cd5\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20\u3002<\/td>\n<\/tr>\n
splice()<\/strong> <\/td>\n\u6b64\u65b9\u6cd5\u4ece\u7279\u5b9a\u7d22\u5f15\u4e2d\u5220\u9664\u5143\u7d20\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n \u4ee5\u4e0a\u6240\u6709\u65b9\u6cd5\u90fd\u662fJavaScript\u63d0\u4f9b\u7684\u6570\u7ec4\u51fd\u6570\u3002\u4e0b\u9762\u5c06\u901a\u8fc7\u793a\u4f8b\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u3002\n<\/div>\n

\u4ece\u6570\u7ec4\u672b\u5c3e\u5220\u9664\u5143\u7d20-pop()<\/h2>\n
\n JavaScript\u63d0\u4f9b\u4e86pop()\u65b9\u6cd5\u6765\u5220\u9664\u6570\u7ec4\u672b\u5c3e\u7684\u5143\u7d20\u3002\u5b83\u5220\u9664\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5e76\u8fd4\u56de\u5220\u9664\u7684\u5143\u7d20\u3002\u5f53\u5143\u7d20\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u65f6\uff0c\u6570\u7ec4\u7684\u957f\u5ea6\u51cf\u5c111\u3002\u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u4ee3\u7801\u548c\u8f93\u51fa\u4ee5\u4e86\u89e3\uff1a\n<\/div>\n

\u793a\u4f8b1 <\/h3>\n
\n
 <html>
 <body>
 <script> 
    function removeLastElement() { 
     var shoeBrand = [\"Nike\", \" Adidas\", \" Sparks\", \" RedTape\"]; 
     document.write<\/span>(\"Elements in array before removing: <br>\" + shoeBrand + \"<br> <br>\");
     \/\/ Removing last element from the array 
     var poppedElement = shoeBrand.pop<\/span>(); 
     document.write<\/span>(\"Removed element from array: \" + poppedElement + \"<br> <br>\"); 
     \/\/display remaining elements present in array after removing
     document.write<\/span>(\"Elements present in array: <br>\" + shoeBrand); 
 } 
 removeLastElement(); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u6700\u521d\uff0c\u6570\u7ec4\u4e2d\u6709\u56db\u4e2a\u5143\u7d20\u3002\u4f7f\u7528pop()\u51fd\u6570\u5c06\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u800c\u8be5\u6570\u7ec4\u4e2d\u5c06\u4fdd\u7559\u4e09\u4e2a\u5143\u7d20\u3002\n<\/div>\n
\n  Elements in array before removing:
\n 
 Nike, Adidas, Sparks, RedTape <\/p>\n
 Removed element from array: RedTape <\/p>\n
 Elements present in array:
\n 
 Nike, Adidas, Sparks
\n 
 \n<\/div>\n
\u793a\u4f8b2 <\/h3>\n
\n  \u901a\u8fc7\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u5faa\u73af(for\uff0cwhile\u6216do-while)\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e2d\u9010\u4e2a\u5220\u9664\u6240\u6709\u5143\u7d20\u3002\u6570\u7ec4\u7684\u672b\u5c3e\u3002\u770b\u770b\u5b83\u5982\u4f55\u5de5\u4f5c\uff1a\n<\/div>\n
\n
 <html>
 <body>
 <script> 
    function removeElement() { 
     var shoeBrand = [\"Nike\", \" Adidas\", \" Sparks\", \" RedTape\"]; 
     \/\/initial length of the array
     document.write<\/span>(\"Elements in array before removing: <br>\" + shoeBrand + \"<br> <br>\");
     document.write<\/span>(\"Array length before removing elements is:\" + shoeBrand.length + \"<br> <br>\");
     while (shoeBrand.length) {
     \/\/store removed element in a variable
     var poppedElement = shoeBrand.pop<\/span>(); 
     \/\/display removed element 
     document.write<\/span>(\"Removed element from array: \" + poppedElement + \" <br>\"); 
     }
     \/\/Length of the array after removing all elements
     document.write<\/span>(\"<br> Array length after removing elements is:\" + shoeBrand.length);
 }
 removeElement(); 
 <\/script>
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  Elements in array before removing:
\n 
 Nike, Adidas, Sparks, RedTape <\/p>\n
 Array Length after removing elements is: 4 <\/p>\n
 Removed element from array: RedTape
\n 
 Removed element from array: Sparks
\n 
 Removed element from array: Adidas
\n 
 Removed element from array: Nike <\/p>\n
 Array Length after removing elements is: 0
\n 
 \n<\/div>\n
\u4ece\u6570\u7ec4\u7684\u5f00\u5934\u5220\u9664\u5143\u7d20-shift()<\/h2>\n
\n  JavaScript\u63d0\u4f9b\u4e86shift()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7528\u4e8e\u4ece\u6570\u7ec4\u7684\u5f00\u5934\u5220\u9664\u5143\u7d20\u6570\u7ec4\u3002\u5b83\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u5220\u9664\u7684\u5143\u7d20\u3002\u5f53\u5143\u7d20\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u65f6\uff0c\u6570\u7ec4\u957f\u5ea6\u51cf\u5c111\u3002\u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u4ee3\u7801\u548c\u8f93\u51fa\uff0c\u6b64\u51fd\u6570\u7684\u5de5\u4f5c\u65b9\u5f0f\uff1a\n<\/div>\n
\u793a\u4f8b1 <\/h3>\n
\n
 <html>
 <body>
 <script> 
    function removeFirstElement() { 
     var shoeBrand = [\"Nike\", \" Adidas\", \" Sparks\", \" RedTape\"]; 
     document.write<\/span>(\"Elements in array before removing: <br>\" + shoeBrand + \"<br> <br>\");
     \/\/ Removing first element from the array 
     var poppedElement = shoeBrand.shift<\/span>(); 
     document.write<\/span>(\"Removed element from array: \" + poppedElement + \"<br> <br>\"); 
     \/\/display remaining elements present in array after removing
     document.write<\/span>(\"Elements present in array: <br>\" + shoeBrand); 
 } 
 removeFirstElement(); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u6700\u521d\uff0c\u6570\u7ec4\u4e2d\u6709\u56db\u4e2a\u5143\u7d20\u3002\u4ece\u5934\u5f00\u59cb\u4e00\u4e2a\u5143\u7d20\u5c06\u4f7f\u7528shift()\u51fd\u6570\u5220\u9664\uff0c\u8be5\u6570\u7ec4\u4e2d\u5c06\u4fdd\u7559\u4e09\u4e2a\u5143\u7d20\u3002\n<\/div>\n
\n  Elements in array before removing:
\n 
 Nike, Adidas, Sparks, RedTape <\/p>\n
 Removed element from array: Nike <\/p>\n
 Elements present in array:
\n 
 Adidas, Sparks, RedTape
\n 
 \n<\/div>\n
\u793a\u4f8b2 <\/h3>\n
\n  \u5c31\u50cfpop()\u65b9\u6cd5\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u4e0a\u8ff0\u4ee3\u7801\u653e\u5165\u5faa\u73af\u4e2d\uff0c\u4ece\u6570\u7ec4\u7684\u5f00\u5934\u4e00\u5f00\u59cb\u5220\u9664\u6240\u6709\u5143\u7d20\u3002 (\u9002\u7528\u4e8e\uff0c\u4e00\u4f1a\u513f\u6216\u4e00\u4f1a\u513f)\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u8fd9\u6bb5\u4ee3\u7801\u653e\u5165while\u5faa\u73af\u4e2d\u3002\u770b\u770b\u5b83\u5982\u4f55\u5de5\u4f5c\uff1a\n<\/div>\n
\n
 <html>
 <body>
 <script> 
    function removeElement() { 
     var shoeBrand = [\"Nike\", \" Adidas\", \" Sparks\", \" RedTape\"]; 
     \/\/initial length of the array
     document.write<\/span>(\"Elements in array before removing: <br>\" + shoeBrand + \"<br> <br>\");
     document.write<\/span>(\"Array length before removing elements is:\" + shoeBrand.length + \"<br> <br>\");
     while (shoeBrand.length) {
     \/\/store removed element in a variable
     var poppedElement = shoeBrand.shift<\/span>(); 
     \/\/display removed element 
     document.write<\/span>(\"Removed element from array: \" + poppedElement + \" <br>\"); 
     }
     \/\/Length of the array after removing all elements
     document.write<\/span>(\"<br> Array length after removing elements is:\" + shoeBrand.length);
 }
 removeElement(); 
 <\/script>
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  Elements in array before removing:
\n 
 Nike, Adidas, Sparks, RedTape <\/p>\n
 Array Length after removing elements is: 4 <\/p>\n
 Removed element from array: Nike
\n 
 Removed element from array: Adidas
\n 
 Removed element from array: Sparks
\n 
 Removed element from array: RedTape <\/p>\n
 Array Length after removing elements is: 0
\n 
 \n<\/div>\n
\u4ece\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u7d22\u5f15\u4e2d\u5220\u9664\u5143\u7d20-splice()<\/h2>\n
\n  \u8981\u4ece\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u4e2d\u5220\u9664\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528splice()\u65b9\u6cd5\u3002\u5b83\u4ece\u7279\u5b9a\u4f4d\u7f6e\u5220\u9664\u8be5\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u8be5\u5220\u9664\u7684\u5143\u7d20\u3002\u5b83\u8fd8\u5141\u8bb8\u7528\u6237\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u3002\n<\/div>\n
\n  splice()\u65b9\u6cd5\u4e3b\u8981\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff1a\u521d\u59cb\u7d22\u5f15\u4f4d\u7f6e\u548c\u8981\u5220\u9664\u7684\u9879\u76ee\u6570\u3002\u6570\u7ec4\u7d22\u5f15\u8ba1\u6570\u4ece0\u5f00\u59cb\uff0c\u5373a [0]\u3002\u5f53\u5143\u7d20\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u65f6\uff0c\u6570\u7ec4\u957f\u5ea6\u4f1a\u51cf\u5c0f\u3002\u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u793a\u4f8b\u53ca\u5176\u8f93\u51fa\uff0c\u5176\u4e2dsplice()\u51fd\u6570\u7684\u5de5\u4f5c\u65b9\u5f0f\uff1a\n<\/div>\n
\u793a\u4f8b1 <\/h3>\n
\n  \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ece\u7d22\u5f151\u5f00\u59cb\u5220\u9664\u4e09\u4e2a\u5143\u7d20\uff0c\u5373a [1]\u5230a [3]\u3002\n<\/div>\n
\n
 <html>
 <body>
 <script> 
    function removeElement() { 
     var shoeBrand = [\"Nike\", \" Adidas\", \" Sparks\", \" RedTape\", \" Bata\"]; 
     document.write<\/span>(\"Elements in array before removing: <br>\" + shoeBrand + \"<br> <br>\");
     \/\/ Removing first element from the array 
     var poppedElement = shoeBrand.splice<\/span>(1, 3); 
     document.write<\/span>(\"Removed element from array: \" + poppedElement + \"<br> <br>\"); 
     \/\/display remaining elements present in array after removing
     document.write<\/span>(\"Elements present in array: <br>\" + shoeBrand); 
 } 
 removeElement(); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u5728\u4ee5\u4e0b\u54cd\u5e94\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u5220\u9664\u4e86\u6570\u7ec4\u4e2d\u7684\u4e09\u4e2a\u5143\u7d20\uff0c\u5e76\u4e14\u4ec5\u4fdd\u7559\u4e86\u4e24\u4e2a\u5143\u7d20(Nike\u548cBata)\u3002\u6570\u7ec4\u3002\n<\/div>\n
\n  Elements in array before removing:
\n 
 Nike, Adidas, Sparks, RedTape, Bata <\/p>\n
 Removed element from array: Adidas, Sparks, RedTape, <\/p>\n
 Elements present in array:
\n 
 Nike, Bata
\n 
 \n<\/div>\n
\u793a\u4f8b2 <\/h3>\n
\n  \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u653e\u5165for\u5faa\u73af\u4e2d\uff0c\u4ee5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u6240\u6709\u51fa\u73b0\u7684\u7279\u5b9a\u5143\u7d20\u3002\u5b83\u5c06\u8ddf\u8e2a\u6574\u4e2a\u6570\u7ec4\uff0c\u5e76\u4ece\u6570\u7ec4\u4e2d\u4e00\u4e00\u5220\u9664\u5339\u914d\u7684\u5143\u7d20\u3002\n<\/div>\n
\n
 <html>
 <body>
 <script> 
 function removeElement() { 
     var clothingBrand = [\"Gucci\", \" Chanel\", \"Gucci\", \" Zara\"]; 
     \/\/ for loop to trace the whole array
     for (var i = 0; i < clothingBrand.length; i++) { 
 \/\/Match the specific element in array
 if (clothingBrand[i] === \"Gucci\") { 
     \/\/remove the matched element from array
     var delEle = clothingBrand.splice<\/span>(i, 1); 
     document.write<\/span>(\"<br> Removed element: \" + delEle); 
     document.write<\/span>(\"<br> Remaining elements: \" + clothingBrand); 
     document.write<\/span>(\"<br>\"); } 
     } 
 } 
 removeElement(); 
 <\/script>
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u60a8\u53ef\u4ee5\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u4e2d\u4e24\u6b21\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u4e86\u540d\u4e3a(
\n  Gucci <\/strong>)\u7684\u5143\u7d20\uff0c\u5143\u7d20(\u9999\u5948\u513f(Chanel)\uff0c\u624e\u62c9(Zara))\u4ecd\u4fdd\u7559\u5728\u6570\u7ec4\u4e2d\u3002\n<\/div>\n
\n  Removed element: Gucci
\n 
 Remaining Element: Chanel, Gucci, Zara <\/p>\n
 Removed element: Gucci
\n 
 Remaining Element: Chanel, Zara
\n 
 \n<\/div>\n
\n  \u60a8\u751a\u81f3\u53ef\u4ee5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u6240\u6709\u5143\u7d20\u3002\u8bf7\u53c2\u89c1\u4ee5\u4e0b\u4ee3\u7801\uff1a\n<\/div>\n
\n
 <script> 
     var clothingBrand = [\"Gucci\", \" Chanel\", \" Calvin Klein\", \" Zara\"]; 
     document.write<\/span>(\"Elements in array: \" + clothingBrand); 
     \/\/remove all elements
     clothingBrand.splice<\/span>(0, clothingBrand.length); 
     document.write<\/span>(\"<br> Remaining elements: \" + clothingBrand); 
 <\/script>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u8bf7\u53c2\u9605\u6240\u6709\u5143\u7d20\u5df2\u5220\u9664\u3002\n<\/div>\n
\n  Elements in array: Gucci, Chanel, Calvin Klein, Zara
\n 
 Remaining Element:\n<\/div>\n
\u4f7f\u7528filter()\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20<\/h2>\n
\n  \u6b64\u65b9\u6cd5\u57fa\u672c\u4e0a\u662f\u6839\u636e\u7528\u6237\u63d0\u4f9b\u7684\u7ed9\u5b9a\u6761\u4ef6\u5220\u9664\u5143\u7d20\u7684\u3002\u5b83\u5220\u9664\u5143\u7d20\uff0c\u5e76\u521b\u5efa\u5269\u4f59\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002\u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u4ee3\u7801\u548c\u8f93\u51fa\uff0c\u5176\u5de5\u4f5c\u65b9\u5f0f\u5982\u4e0b\uff1a\n<\/div>\n
\u793a\u4f8b1 <\/h3>\n
\n  \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u68c0\u67e5\u6570\u7ec4\u4e2d\u7684\u5947\u5076\u503c\u5e76\u5bf9\u5176\u8fdb\u884c\u8fc7\u6ee4\u3002 filter()\u65b9\u6cd5\u5c06\u68c0\u67e5\u5076\u6570\u503c\uff0c\u7136\u540e\u8fd4\u56de\u4ee5\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230\u4fee\u6539\u540e\u7684\u6570\u7ec4\u4e2d\u3002\u5947\u6570\u5c06\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\uff0c\u5e76\u4e14\u4ec5\u663e\u793a\u4fee\u6539\u540e\u7684\u6570\u7ec4\u3002\n<\/div>\n
\n
 <html>
 <body>
 <script> 
 function isEven( value ) { 
      if(value%2 == 0)
       return value;
 } 
     \/\/initialize the array named ary
     var ary = [43, 243, 56, 24, 1021, 348].filter<\/span>( isEven ); 
     document.write<\/span>(\"Even elements in array: \" + ary); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u8f93\u51fa\uff0c\u53ea\u6709\u5076\u6570\u5143\u7d20\u4fdd\u7559\u5728\u4fee\u6539\u540e\u7684\u6570\u7ec4\u4e2d\n<\/div>\n
\n  Even elements in array: 56, 24, 348\n<\/div>\n
\u4f7f\u7528\u5220\u9664\u8fd0\u7b97\u7b26\u5220\u9664\u5143\u7d20<\/h3>\n
\n  \u9664\u6240\u6709\u8fd9\u4e9b\u529f\u80fd\u5916\uff0cJavaScript\u8fd8\u63d0\u4f9b\u4e86
\n  delete <\/strong>\u8fd0\u7b97\u7b26\u3002\u5b83\u6709\u52a9\u4e8e\u4ece\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u5220\u9664\u5143\u7d20\u3002\u8be5\u8fd0\u7b97\u7b26\u4e0e\u8981\u5220\u9664\u7684\u9635\u5217\u540d\u79f0\u548c\u7d22\u5f15\u53f7\u4e00\u8d77\u4f7f\u7528\uff0c\u4f8b\u5982\uff0c
\n \u5220\u9664\u9635\u5217\u540d\u79f0[3] <\/strong>\u3002\u6210\u529f\u5220\u9664\u5143\u7d20\u540e\uff0c\u5b83\u5c06\u8fd4\u56detrue\u3002\n<\/div>\n
\n \u5220\u9664<\/strong>\u8fd0\u7b97\u7b26\u53ef\u5e2e\u52a9\u76f4\u63a5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u7279\u5b9a\u7684\u7d22\u5f15\u5143\u7d20\u3002\u73b0\u5728\uff0c\u501f\u52a9\u793a\u4f8b\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u8be5
\n  delete <\/strong>\u8fd0\u7b97\u7b26\u7684\u5de5\u4f5c\u65b9\u5f0f\uff1a\n<\/div>\n
\u793a\u4f8b<\/h3>\n
\n
 <html>
 <body>
 <script> 
  \/\/declare and initialize an array
  var clothingBrand = [\"Gucci\", \" Calvin Klein\", \" Chanel\", \" Zara\"]; 
  document.write<\/span>(\"Elements in array: \" + clothingBrand); 
  \/\/delete element of index 1 from clothingBrand array 
  var result = delete clothingBrand[1];
  \/\/if returned value is true, element is deleted successfully
  document.write<\/span>(\"<br> Removed successfully: \" + result + \"<br>\"); 
  document.write<\/span>(\"Remaining elements in array: \" + clothingBrand); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u5728\u6b64\u8f93\u51fa\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\uff0c\u6267\u884c\u5220\u9664\u64cd\u4f5c\u540e\uff0c\u5982\u679c\u8fd4\u56de\u503c\u662f
\n  true <\/strong>\uff0c\u5219\u8be5\u5143\u7d20\u663e\u793a\u5728\u7d22\u5f151\u5df2\u6210\u529f\u5220\u9664\u3002\n<\/div>\n
\n  Elements in array: Gucci, Calvin Klein, Chanel, Zara
\n 
 Removed successfully: true
\n 
 Remaining elements in array: Gucci,, Chanel, Zara
\n 
 \n<\/div>\n
\u4f7f\u7528\u6e05\u9664\u548c\u91cd\u7f6e\u8fd0\u7b97\u7b26\u5220\u9664\u5143\u7d20<\/h3>\n
\n  JavaScript\u63d0\u4f9b\u4e86
\n  clear <\/strong>\u548c
\n  reset <\/strong>\u8fd0\u7b97\u7b26\u4ee5\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u901a\u5e38\uff0c\u5b83\u4eec\u4e0d\u5220\u9664\u6570\u7ec4\u5143\u7d20\u3002\u4ed6\u4eec\u53ea\u662f\u5c06\u5b83\u4eec\u79fb\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u5e76\u6e05\u9664\u539f\u59cb\u6570\u7ec4\u3002\n<\/div>\n
\n  \u73b0\u5728\uff0c\u501f\u52a9\u793a\u4f8b\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1a\n<\/div>\n
\u793a\u4f8b1 <\/h3>\n
\n
 <html>
 <body>
 <script> 
  \/\/declare and initialize an array
  var originalArray = [\"Gucci\", \" Calvin Klein\", \" Chanel\", \" Zara\"]; 
  document.write<\/span>(\"Initially elements in array: \" + originalArray); 
  \/\/declare one more array to keep the elements of original array
  var newArray = originalArray
  \/\/clear the initially declared array
  originalArray = [ ]
  \/\/display element of original and new array after removing
  document.write<\/span>(\"<br> <br> Array after removing elements: \" + originalArray); 
  document.write<\/span>(\"<br> <br> Elements in new array: \" + newArray); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u5728\u6b64\u8f93\u51fa\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u539f\u59cb\u6570\u7ec4\u5143\u7d20\u5df2\u79fb\u81f3\u65b0\u6570\u7ec4\u3002\u6700\u521d\u58f0\u660e\u7684\u6570\u7ec4\u4e3a\u7a7a\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u4e2d\u73b0\u5728\u6ca1\u6709\u5143\u7d20\u3002\n<\/div>\n
\n  Initially elements in array: Gucci, Calvin Klein, Chanel, Zara <\/p>\n
 Array after removing elements: <\/p>\n
 Elements in new array: Gucci, Calvin Klein, Chanel, Zara\n<\/p><\/div>\n
\u793a\u4f8b2 <\/h3>\n
\n  \u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u6570\u7ec4\u7684\u957f\u5ea6\u8bbe\u7f6e\u4e3a0\u6765\u5220\u9664\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u8bf7\u53c2\u89c1\u4e0b\u9762\u7684\u793a\u4f8b\uff1a\n<\/div>\n
\n
 <html>
 <body>
 <script> 
  \/\/declare and initialize an array
  var array1 = [\"Gucci\", \" Calvin Klein\", \" Chanel\", \" Zara\"]; 
  document.write<\/span>(\"Initially elements in array: \" + array1); 
  \/\/set length of array to 0
  array1.length = 0;
  \/\/display element of original and new array after removing
  document.write<\/span>(\"<br> <br> Array after removing elements: \" + array1); 
 <\/script> 
 <\/body>
 <\/html>
 <\/span><\/code><\/pre>\n<\/div>\n
\n \u8f93\u51fa<\/strong>\n<\/div>\n
\n  \u901a\u8fc7\u5c06\u6570\u7ec4\u957f\u5ea6\u8bbe\u7f6e\u4e3a0\uff0c\u53ef\u4ee5\u7981\u7528\u6216\u5220\u9664\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u770b\u5230\u7a7a\u6570\u7ec4\uff1a\n<\/div>\n
\n  Initially elements in array: Gucci, Calvin Klein, Chanel, Zara <\/p>\n
 Array after removing elements:\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"JavaScript \u6570\u7ec4\u5220\u9664zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179],"tags":[],"class_list":["post-2734","post","type-post","status-publish","format-standard","hentry","category-javascript-jc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2734"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=2734"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2734\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=2734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=2734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=2734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}