I want to stringify an object into a query string.
For example,
{ hello: '123', goodbye: "789" }
Would give me...
hello=123&goodbye=789
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It should be doable with loop and join. I don't think I have come across built-in JS function to do this, though.nhahtdh– nhahtdh2013-03-01 18:30:18 +00:00Commented Mar 1, 2013 at 18:30
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possible duplicate of Serialize object to query string in JavaScript/jQueryQantas 94 Heavy– Qantas 94 Heavy2014-06-22 04:07:24 +00:00Commented Jun 22, 2014 at 4:07
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3 Answers
There is an excellent URL library, URL.js which works pretty much as you describe for queries.
For your example, the code would be:
URI().addSearch({ hello: '123', goodbye: "789" }).toString()
This produces the result with a pre-pended ?, but it comes in extremely handy for constructing & manipulating real URLs.
1 Comment
Peter Bratton
+1 for answering the actual question.
If case if you use jQuery in your project you don't need a lib for this:
$.param({ hello: '123', goodbye: "789" })
But since there is no jQuery tag, take a look at Barney answer, this is probably what you need.
Comments
Here is a code sample for simple cases:
var params={ hello: '123', goodbye: "789" },
pairs=[];
for (var key in params) {
if (params.hasOwnProperty(key)) {
pairs.push(key+"="+encodeURIComponent(params[key]));
}
};
var qs=pairs.join("&");
For more complex scenarios you might want to use a library like URLjs as suggested in other replies.
