jq表单提交时 禁用提交按钮 防止表单重复提交 jq方法

防止表单重复提交

function(event,options){
$("#submit_login").attr({"disabled":"disabled"});
var needtime = 3;
var interval = setInterval(function(){
needtime--;
if(needtime <= 0) {
$("#submit_login").removeAttr("disabled");
clearInterval(interval);
return 0;
};
}, 1000);
event.preventDefault();
},