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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <div id="odd">奇数</div> <div id="even">偶数</div> <script type="text/javascript"> var arr= [1,2,3,4,5,6,7,8,9,10] function getId(id) { return document.getElementById(id) } var odd = getId("odd") var even = getId("even") odd.onclick = function(){ obj(1) } even.onclick = function(){ obj(0) } function obj(e){ for (var i = 0; i < arr.length; i++) { if (arr[i] % 2 == e) { console.log(arr[i]) } } } </script> </body> </html>