JavaScript怪癖和秘密之FireFox浏览器下的RGB颜色实例页面

代码:

HTML代码:
<p id="somePara">Hello, world!</p>
<button id="button">点击弹出结果</button>
                
JS代码:
document.getElementById("button").onclick = function() {
    var ie = navigator.appVersion.indexOf('MSIE') != -1;
    var p = document.getElementById('somePara');
    alert(ie ? p.currentStyle.color : getComputedStyle(p, null).color);
};
                

效果:

Hello, world!