// 绑定事件
$("#query-vaule").on({
focus:keywordsDefualt,
blur:setDefualt,
keydown:keywordsInput
});
// 获得焦点后,去默认值
var keywordsDefualt = function(e){
if(e.value == e.defualtValue)
e.value =="";
}
// 失去焦点后设默认值
var setDefualt = function(e){
if(e.value == "")
e.value = e.defualtValue;
}
// 检测回车事件
var keywordsInput = function(){
var event = event || window.event;
if(event.keyCode == 13)
query();//查询函数
}
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