是否支持鼠标禁用事件代码
var hasPointerEvents = (function() { var el = document.createElement('div'), docEl = document.documentElement; if (!('pointerEvents' in el.style)) { return false; } el.style.pointerEvents = 'auto'; el.style.pointerEvents = 'x'; docEl.appendChild(el); var supports = window.getComputedStyle && window.getComputedStyle(el, '').pointerEvents === 'auto'; docEl.removeChild(el); return !!supports; })();
以上是判断是否支持鼠标禁用事件代码,同时也支持验证是否支持css3