原效果
之后效果：
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>js循環判斷創建新對象放數組中</title> <script type="text/javascript" src="js/jquery.min.js"></script> </head> <body> <div> </div> <script> // 把index不是11的提出來放一個新數組中 var data =[ {index :1,name:'張三1'}, {index :11,name:'李四'}, {index :3,name:'張三3'}, {index :4,name:'張三4'} ] var arr =[]; for(var i=0;i<data.length;i++){ var obj = {}; if(data[i].index == 11){ }else { obj.index = data[i].index; obj.name = data[i].name; arr.push(obj) } } console.log(arr) </script> </body> </html>