我想基于一个数组构建一个关联数组，然后获取该关联数组的值。关联数组的结构如下:varmyAssociativeArr=newArray();myAssociativeArr=[{id:'1',lname:'doe',fname:'john'},{id:'2',lname:'smith',fname:'john'}]我有三个长度相同的数组，我将从中构建这个关联数组，即id、lname和fname数组。for(vari=0;idArray.length;i++){myAssociativeArr[id]=idArray[i];myAssociativeArr[lname]=lnameArr