<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>移出数组arr中与2相等的元素,并生成一个新数组,不改变原数组。</title> </head> <body> <script> var arr = [1,2,3,4,2,5,6,2,7,2]; var str4 = arr.slice(1,2); var str1 = arr.slice(4,5); var str2 = arr.slice(7,8); var str3 = arr.slice(9); str = str1.concat(str2,str3,str4); document.write("原数组arr:<br/>" + arr); document.write("<br/>"); document.write("移出数组arr中与2相等的元素,并生成一个新数组str:<br/>" + str); document.write("<br/>"); document.write("没有改变原数组arr:<br/>" + arr); </script> </body> </html>
原文地址:https://www.cnblogs.com/chenqintaotao/p/11658789.html
时间: 2024-12-11 20:31:52