js 控制a标签的onclick方法

document.getElementById("a3").onclick = "";

window.document.getElementById("a3").disabled = "disabled";

 <a class="process_Btn  process_Btn1_green" id="a1" onclick="dx()"></a>

js 控制div 显示隐藏

document.getElementById(‘renwuCon‘).style.display = "none";
document.getElementById(‘rwcl‘).style.display = "none";

js 控制a标签的css属性

document.getElementById("a1").className = "process_Btn process_Btn1_yellow";
document.getElementById("a2").className = "process_Btn process_Btn1_gray";

js 获取地址栏的值

Request = {
QueryString: function (item) {
var svalue = http://www.mamicode.com/location.search.match(new RegExp("[\?\&]" + item + "=([^\&]*)(\&?)", "i"));
return svalue ? svalue[1] : svalue;
}
}
var zt = Request.QueryString("zt")

js控制a标签的href

document.getElementById("db").href="http://www.mamicode.com/#";

jq 一些小方法