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Some simple functions to manipulate URL params using JavaScript
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| function goTo(href) { | |
| if (!href) { return false; } | |
| return window.location.href = href; | |
| } | |
| function getUrlParam (key) { | |
| var paramsAssoc = getUrlParamsAssoc(); | |
| return (undefined == paramsAssoc[key]) ? null : paramsAssoc[key]; | |
| }; | |
| function addUrlParam (key, value) { | |
| var paramsAssoc = getUrlParamsAssoc(); | |
| paramsAssoc[key] = value; | |
| return buildUrlViaParams(paramsAssoc); | |
| }; | |
| function removeUrlParam (key) { | |
| var paramsAssoc = getUrlParamsAssoc(); | |
| if (undefined != paramsAssoc[key]) { | |
| delete paramsAssoc[key]; | |
| } | |
| return buildUrlViaParams(paramsAssoc); | |
| }; | |
| function buildUrlViaParams (paramsAssoc, urlObject) { | |
| urlObject = (!urlObject) ? window.location : urlObject; | |
| var params = []; | |
| for (var key in paramsAssoc) { | |
| params.push(key+'='+paramsAssoc[key]); | |
| } | |
| params = (0 < params.length) ? '?'+params.join('&') : ''; | |
| return urlObject.origin + urlObject.pathname + params; | |
| }; | |
| function getUrlParamsAssoc (urlObject) { | |
| urlObject = (!urlObject) ? window.location : urlObject; | |
| if (!urlObject.search) { return {}; } | |
| var params = urlObject.search.replace('?', '').split('&'); | |
| var paramsAssoc = {}; | |
| var split = []; | |
| for (var i = params.length - 1; i >= 0; i--) { | |
| split = params[i].split('='); | |
| paramsAssoc[split[0]] = split[1]; | |
| } | |
| return paramsAssoc; | |
| }; |
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