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Prototype Hash toQueryString() Method
This method turns a hash into its URL-encoded query string representation.
This is a form of serialization, and is mostly useful to provide complex parameter sets for stuff such as objects in the Ajax namespace (e.g. Ajax.Request).
Undefined-value pairs will be serialized as if empty-valued. Array-valued pairs will get serialized with one name/value pair per array element. All values get URI-encoded using JavaScript's native encodeURIComponent function.
Syntax:
Return Value :
- Returns a URL-encoded query string.
Example:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult(){
var h = $H({action:'ship',order_id:123,fees: ['f1', 'f2']});
alert( "h.toQueryString() : " + h.toQueryString() );
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<br />
<input type="button" value="Result" onclick="showResult();"/>
</body>
</html>
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To understand it in better way you can Try it yourself.
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