jquery to convert text into a JSON object a problem to note _jquery

1 The $.parsejson method returns a string instead of a JSON object.

2 to convert the string into an object, it is easy to think of the Eval method in JS. Actually, it's OK, but parentheses are needed. such as Var js= "{\" pageindex\ ": \" 1\ "}"; var obj=eval ("(" +js+) ");. Using eval, however, is unsafe because it can compile any JS code.

3) Download a JSON parser because it only recognizes JSON text. This is safer. The JSON official website provides such a script. Address: Http://www.JSON.org/json2.js. Simple to use, after the introduction of the file, such as: Json.parse ($ ("#ctl00_ContentPlaceHolder1_hfSearch"). Val (). toString ()).

4 When using the Json.parse method or the $.parsejson method, note that the name and value of the JSON data are enclosed in double quotes, and for the $.parsejson method, the JSON string is also enclosed in single quotes and then converted, For the Json.parse method, you don't have to. It's a hell of a waste of time.

Note These tips, when manipulating JSON data, you can take a lot less detours.