css3 background-size属性--ie兼容 safari浏览器对background-size 属性显示原始大小 background-size: cover not working on iOS Ask Question This caused me a number of problems as well. The problem is that iOS is using the full height & width of the body instead of the vi…
1.IE8以下不支持getElementsByClassName方法//解决IE8之类不支持getElementsByClassNameif (!document.getElementsByClassName) { document.getElementsByClassName = function (className, element) { var children = (element || document).getElementsByTagName('*'); var elements…