如何使用正则表达式（javascript）获取 style="i Want the css code"

var text = '..<anything><anything style="color:red;">hello</anything><anything style="color:blue; font-size:1em;">hello</anything></anything>...';

or

var text = "..<anything><anything style='color:red;'>hello</anything><anything style='color:blue; font-size:1em;'>hello</anything></anything>...";

result:

array[0] = "color:red;";
array[1] = "color:blue; font-size:1em;";

制作一个临时元素并使用innerHTML，然后getElementsByTagName and getAttribute('style')如果是这样的字符串。

如果它是对 DOM 元素的引用，请跳过 innerHTML 部分。

var d = document.createElement('div'), 
    text = '..<anything><anything style="color:red;">hello</anything><anything style="color:blue; font-size:1em;">hello</anything></anything>...', 
    styles = [];
    d.innerHTML=text;
    var els = d.getElementsByTagName('*');
    for ( var i = els.length; i--; ) {  
        if ( els[i].getAttribute('style') ) { 
           styles.push(  els[i].getAttribute('style')  )
        }
    }
    styles

jQuery 会是..

$(text).find('*').map(function() { return this.getAttribute('style') })