JS 兼容

兼容

img 标签

兼容ie8

img{    _border:0;}

事件兼容

var eventTool = {    // target: window.event.target || window.event.srcElements,    // 兼容阻止冒泡    STOPPG: function () {        let event = window.event        if (event.stopPropagation) {            event.stopPropagation()        } else {            event.cancelBubble = true        }    },    // 兼容阻止默认事件    PREVENT: function () {        let event = window.event        if (event.preventDefault) {            event.preventDefault()        } else {            event.returnValue = false        }    }}// eventTool.STOPPG() 阻止冒泡// eventTool.PREVENT() 阻止默认