concat() 用于连接两个或多个数组.该方法不会改变现有的数组,而仅仅会返回被连接数组的一个副本. var a = ["aa","ccc"]; var b = ["vv","mm"]; var c = ["123"]; var d = a.contac(b,c); ==> ["aa","ccc","vv","mm",&
<script> var test={aa:12,bb:34};//或者var test={}; var cc= "acqId" test[cc]=12; alert(test[cc]) </script> 使用场景 function objectTest() { var test = { aa: , bb: }; var cc = "acqId" test[cc] = ; $.ajax({ url: xxx/getReslut.htm, t