JS dynamic creation of JSON, dynamic for JSON add properties, attribute value instances _javascript tips

Source: Internet
Author: User
Tags eval

As shown below:

var param = {};
 for (Var i=0;i<fields.length;i++) {
 var field = Fields[i];
 if (field.searchcondition!= undefined && $ (' #search ' +field.name). Val ()!= ') {
  param["search." +field.name]=$ (' #search ' +field.name). Val ();

In JS, a [] is considered an array; {} is considered to be a JSON object;

var json = {};

Defines a JSON object;

To assign a value to a JSON object:

JSON[AA] = "XX";

Eval Parse JSON error prompt missing ";"

If the JSON string is OK, use eval (' (' +json+ ') '), and try it with single quotes

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