www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/How to install Piwik.html/piwik/libs/bower_components/jquery/src/css/addGetHookIf.js
define(function() { function addGetHookIf( conditionFn, hookFn ) { // Define the hook, we'll check on the first run if it's really needed. return { get: function() { var condition = conditionFn(); if ( condition == null ) { // The test was not ready at this point; screw the hook this time // but check again when needed next time. return; } if ( condition ) { // Hook not needed (or it's not possible to use it due to missing dependency), // remove it. // Since there are no other hooks for marginRight, remove the whole object. delete this.get; return; } // Hook needed; redefine it so that the support test is not executed again. return (this.get = hookFn).apply( this, arguments ); } }; } return addGetHookIf; });