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POoverriding the jquery.param function
 

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  1. POoverriding the jquery.param function
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    <p>I have a problem with the jQuery.param function. jQuery uses + instead of %20 to URL-encode spaces</p> <pre><code>var obje = { 'test': 'tester 2' } console.log($.param(obje)); </code></pre> <p>returns "test=tester+2"</p> <p>so I thought about overriding this core function:</p> <pre><code>(function($){ $.fn.param = function( a, traditional ) { console.log('custom $.param'); var s = [], add = function( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : value; s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); }; // Set traditional to true for jQuery &lt;= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings.traditional; } // If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || ( a.jquery &amp;&amp; !jQuery.isPlainObject( a ) ) ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } ); } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( var prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } } return s.join("&amp;"); // Return the resulting serialization //return s.join( "&amp;" ).replace( r20, "+" ); }; })(jQuery); var obje = { 'test': 'tester 2' } console.log($.param(obje)); </code></pre> <p>This fails however.. The $.param isn't overridden.</p> <p>Any idea what can be wrong?</p> <p>Thanks!</p> <p>Edit: my solution (because I'm a new user I appearently may not answer my own question in 8 hours (Why is that?))</p> <p>With the solution of ThiefMaster I still had the problem that buildParams is undefined. I solved this by calling the old function and then replacing the + back to %20</p> <pre><code>// modification of the jQuery.param function: spaces are encoded by jQuery.param with + instead of %20. replace these back to %20 (function($, oldFunction){ $.param = function( a, traditional ) { var s = oldFunction.apply(oldFunction,[a,traditional]); // Return the resulting serialization return s.replace( '+', '%20' ); }; })(jQuery,jQuery.param); </code></pre>
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    1. COIf you really need this, better create a wrapper which uses the original function and then replaces '+' with '%20' instead of copying&pasting a huge function for a minor change.
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    2. COI use the $.param function indirectly by working with jQuery AJAX. I can't replace + with %20 again before sending the XHR. However, I could indeed override it with applying the old function and then replacing + with %20
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    3. COThanks for update on solution that worked for you. It works! Now just hoping that it won't conflict with something else.
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