使用javascript设置供应商前缀的CSS

...is a huge pain.

......是一个巨大的痛苦。

var transform = 'translate3d(0,0,0)';
elem.style.webkitTransform = transform;
elem.style.mozTransform = transform;
elem.style.msTransform = transform;
elem.style.oTransform = transform;
var tran