<input type="button" id="button1" value="button1">
JS:
document.getElementById("button1").onclick = function()
{
this.style.backgroundColor = "red";
}
JS:
document.getElementById("button1").onclick = function()
{
this.style.backgroundColor = "red";
}
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货