if (event.preventDefault) {
event.preventDefault()
} else {
event.returnValue = false
}
if (event.stopPropagation) {
event.stopPropagetion()
} else {
event.cancelBubble = true
}
if (event.preventDefault) {
event.preventDefault()
} else {
event.returnValue = false
}
if (event.stopPropagation) {
event.stopPropagetion()
} else {
event.cancelBubble = true
}
本文标题:js阻止冒泡
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