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Dynamically add CSS link or rule to DOM w/ pure JavaScript
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| // create a <link> with specific URL | |
| var addLink = function(url){ | |
| var link = document.createElement('link'); | |
| link.src = url; | |
| link.rel = 'stylesheet'; | |
| link.type = 'text/css'; // no need for HTML5 | |
| document.getElementsByTagName('head')[0].appendChild(link); // for IE6 | |
| }; | |
| // create a style that can append CSS rules to <head> | |
| var addCssRules = (function(){ | |
| var style = document.createElement('style'), styleTxt = []; | |
| style.type = 'text/css'; | |
| document.getElementsByTagName('head')[0].appendChild(style); | |
| return function(rules){ | |
| if(typeof rules === 'string'){ | |
| styleTxt.push(rules); | |
| }else if(rules instanceof Array){ | |
| for(var i = rules.length; i--;){ | |
| styleTxt.unshift(rules[i]); | |
| } | |
| }else{ | |
| return false; | |
| } | |
| if(typeof style.styleSheet !== "undefined"){ | |
| style.styleSheet.cssText += styleTxt.join(' '); | |
| }else{ | |
| style.appendChild(document.createTextNode(styleTxt.join(' '))); | |
| } | |
| }; | |
| })(); |
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