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js输入关键词生成标签代码

作者/代码整理:  (转载请附加本文地址,带有“懒人原生”字样的谢绝转载) 发布日期:2017-10-27
js输入关键词生成标签代码
一款很实用的js输入关键词生成标签代码,输入关键词创建个人技能标签,不需要的还可以删除。


js代码

<script type="text/javascript">
    var tagcon = $("tagcon");
    var addBox = $("addBox");
    var addBtn = addBox.children[1];
    var intxt = addBox.children[0];
    var divs = tagcon.children;

    function $(id){ return document.getElementById(id) }//$获取元素函数封装
    function crele(ele){ return document.createElement(ele); } //创建元素
    function adson(father,son1,son2,son3,clas1,clas2,clas3,clas4,con1,con2){
        father.appendChild(son1);
        father.appendChild(son2);
        father.appendChild(son3);
        father.className = clas1;
        son1.className = clas2;
        son2.className = clas3;
        son3.className = clas4;
        son1.innerHTML = con1;
        son3.innerHTML = con2;
    }
    //输入框聚焦和失焦的效果
    intxt.onfocus = function(){
        intxt.style.backgroundColor = "#fff";
    }
    intxt.onblur = function () {
        intxt.style.backgroundColor = "#e3e3e3";
    }
    //点击add按钮添加标签
    addBtn.onclick = function () {
        if(intxt.value != ""){
            var newdiv = crele("div");
            var newem = crele("em");
            var newspan = crele("span");
            var newa = crele("a");
            if(divs.length == 0){//最新添加的标签在最前边
                tagcon.appendChild(newdiv);
            }else{
                tagcon.insertBefore(newdiv,divs[0])
            }
            adson(newdiv,newem,newspan,newa,"tag","tagtxt","move","closetag",intxt.value,"×")
            intxt.value = "";
        }else{
            alert("你还没有输入呢!");
        }
        //console.log(links.length);
        newa.onclick = function () {
            this.parentNode.style.display = "none";
        }
    }
</script>