Question

JS 鼠标移动到a标签上背景颜色改变

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Answer 1

onload=function(){
var as = document.getElementsByTagName("a");
for(var i=0;i<as.length;i++){
as[i].onmouseenter=function(){
this.style.backgroundColor="red";

}

as[i].onmouseleave=function(){
this.style.backgroundColor="none";

}

}
}