2021-11-15 一天一个例子

学习使用js进行标签的增加和点击事件等学习

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>每天进步一点</title>
    <style>
        * {
    
    
            margin: 0;
            padding: 0;
        }

        body {
    
    
            font-size: 14px;
        }

        ul {
    
    
            list-style: none;
        }

        #container {
    
    
            width: 1000px;
            margin: 150px auto;
        }

        #header {
    
    
            border-bottom: 3px solid #F60;
            height: 30px;
        }

        #header li {
    
    
            font-weight: bolder;
            float: left;
            height: 30px;
            width: 80px;
            text-align: center;
            line-height: 30px;
        }

        #header li:hover {
    
    
            cursor: pointer
        }
        #header .sec {
    
    
            background: #f60;
            color: #fff;
        }
        #listContent li{
    
    
            font-size: 16px;
            line-height: 30px;
            height: 30px;
        }
        #tips{
    
    padding: 5px; position: absolute;left:0;top:0;width: 400px;border: 2px solid #FF7700; background-color: white;display:none;}
	    #container li{
    
    list-style:none;font-size:16px;height:30px;line-height:30px;}
	    #tips li.col{
    
    width:180px;height: 30px; float: left;line-height: 30px; border-bottom: 1px solid #CCC;}

    </style>
    <script type="text/javascript" src="datas.js"></script>
    <script>
        window.onload = function() {
    
    
            var head = document.getElementById("header");
            var con = document.getElementById("container");
            var div = document.getElementById("listContent");
            var tip = document.getElementById("tips");
            var tips = document.getElementById("tipsContent");

            //这里的datas是datajs中提前写好的,所以我们只需要将data中的数据拿过来就可以
            for(var i = 0; i < data.length; i++) {
    
    
                head.innerHTML += "<li>" + data[i].name +"</li>";
            }
            var lis = head.getElementsByTagName("li");
            lis[0].className = "sec";
            for(var i =0; i <lis.length; i++){
    
    
                lis[i].index = i;
                lis[i].οnclick=function(){
    
    
                    var _this = this;
                    for(var j =0; j< lis.length; j++){
    
    
                        lis[j].className="";
                        div.innerHTML="";
                        tips.innerHTML="";
                    }
                    _this.className="sec";
                    //加载这个li对应的list的数据,
                    fun(data[_this.index]);
                }
            }
            fun(data[0]);

            function fun(da) {
    
    
                for(var i = 0; i<da.list.length;i++){
    
    
                    var ul = document.createElement("ul");
                    var li = document.createElement("li");
                    var a = document.createElement("a");
                    a.innerHTML = da.list[i].title;
                    a.href= "javascript";
                    li.appendChild(a);
                    ul.appendChild(li);
                    div.appendChild(ul);
                    a.index = i;
                        var h4 = document.createElement("h4");
                        var lis1 = document.createElement('li');						
                        lis1.className = 'col';
                        var lis2 = document.createElement('li');						
                        lis2.className = 'col';
                        var lis3 = document.createElement('li');						
                        lis3.className = 'col';
                        var lis4 = document.createElement('li');						
                        lis4.className = 'col';
                        var lis5 = document.createElement('li');						
                        lis5.className = 'col';
                        var lis6 = document.createElement('li');						
                        lis6.className = 'col';

                    a.οnmοuseοver=function(){
    
    
                        tip.style.display= "block";
                        tip.style.left = div.offsetLeft+this.offsetWidth+10+'px';
                        tip.style.top=this.offsetTop+this.scrollTop+'px';
                        h4.innerHTML = da.list[this.index].company;
						lis1.innerHTML = da.list[this.index].recruitingNumbers;
						lis2.innerHTML = da.list[this.index].workingLocation;
						lis3.innerHTML = da.list[this.index].workExperience;
						lis4.innerHTML = da.list[this.index].education;
						lis5.innerHTML = da.list[this.index].wage;
						lis6.innerHTML = da.list[this.index].addDate;
                        tips.appendChild(h4);
						tips.appendChild(lis1);
						tips.appendChild(lis2);
						tips.appendChild(lis3);
						tips.appendChild(lis4);
						tips.appendChild(lis5);
						tips.appendChild(lis6);
					
                    }

                    li.οnmοuseοut=function(){
    
    
					    tip.style.display="none";
				    }

                }
            }
        }

    </script>
</head>

<body>
    <div id="container">
        <ul id="header"></ul>
        <div id="listContent"></div>
    </div>
    <div id="tips">
        <span id="arrow"></span>
        <div id="tipsContent"></div>
    </div>
</body>

</html>

效果图:
![在这里插入图片描述](https://img-blog.csdnimg.cn/d8e768c6f66245259e872915ba98ca9c.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBA56CB56CB5aeR5aiY,size_20,color_FFFFFF,t_70,g_se,x_16)


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转载自blog.csdn.net/qq_45204129/article/details/121328738