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dataType:'json' when you miss this line (which is optional), the data returned from server is treated as full length string (which is default return type). Adding this line of code informs jQuery to convert the possible json string into json object. Any jQuery ajax calls should specify this line, if expecting json data object.
5. Most browsers have a native JSON object these days, which includes parse and stringify methods. So just try JSON.stringify({}) and see if you get "{}" without needing to include the above code. You can even pass in parameters to filter out keys or to do pretty-printing, e.g. JSON.stringify({a:1,b:2}, null, 2) puts a newline and 2 spaces in ...
Convert json to a string using jquery. 7. How to convert a JSON string to an object? 14. JSON Object to ...
To convert an object to a string, use JSON.stringify: var json_text = JSON.stringify(your_object, null, 2); To convert a JSON string to object, use JSON.parse: var your_object = JSON.parse(json_text); It was recently recommended by John Resig:...PLEASE start migrating your JSON-using applications over to Crockford's json2.js.
To do this I need to get the user input from a form into usable data. I found three methods to do this: var input = $("#inputId").val(); var input = $("form.login").serialize(); var input = $("form.login").serializeArray(); Unfortunately, none of the provide a good reabable and developable JSON object which I require.
Because by default jQuery serializes objects passed as the data parameter to $.ajax. It uses $.param to convert the data to a query string. From the jQuery docs for $.ajax: [the data argument] is converted to a query string, if not already a string. If you want to send JSON, you'll have to encode it yourself: data: JSON.stringify(arr);
Building a JSON string using javascript/jQuery. 2. building a JSON string. 9.
If you're starting from a valid JSON string that you want to pretty printed, you need to convert it to an object first: var jsonString = '{"some":"json"}'; var jsonPretty = JSON.stringify(JSON.parse(jsonString),null,2); This builds a JSON object from the string, and then converts it back to a string using JSON stringify's pretty print.
The advantage of jQuery.parseJSON is that it uses the native implementation JSON.parse of the browser if it supports it. Edit The problem that this is not working is probably that JSON does only allow strings to be declared with double quotes.
A "JSON object" doesn't make sense : JSON is an exchange format based on the structure of Javascript object declaration. If you want to convert your javascript object to a json string, use JSON.stringify(yourObject); If you want to create a javascript object, simply do it like this :