jquery使用on绑定mouseleave事件与mouseenter事件实现鼠标hover事件的实例分析

//HTML脚本

<spandata-helperinfo="PortfolioTeam"class="icon help"></span>

//JS脚本

$(document).on({

mouseenter:function () {

var HelpMsgCode = $(this).attr("data-helperinfo");//Gets the current object property values

$.ajax({

type:"GET",

url:"/Portfolio/GetHelpMessageByCode",

//url: "/Subscription/GetHelpMessageByCode",

data: { Code: HelpMsgCode },

dataType:"json",

success:function (item) {

var varJson = $.parseJSON(item.data); //string Turn json

var varContent = varJson.Root.HelpMessage.Content; //Gets the specified JSON node contents

var varMsgHtml = "<span class=&#39;bubble&#39;>" + varContent + "</span>";//Structural HTML

$(".icon.help").append(varMsgHtml);//Additional HTML to a specified location

}

});

},

mouseleave:function () { //When the mouse leaves, a prompt box disappears

$(".icon.help").html("");//Emptying the balloon

}

},".icon.help");