小游戏：给字体加上彩色背景

作者：jiang2018.07.24来源：Web前端之家浏览：10850评论:0

关键词：font 字体

用JS给字体加上彩色背景，一起来玩下吧！

<!DOCTYPE HTML>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>用JS给字体加上彩色背景</title>
    <style>
        div { width:300px; height:200px; border:1px solid #333; background:#fff; padding:20px; line-height:40px; }
        span { padding:5px 15px; font-family:微软雅黑; }
    </style>
</head>

<body>
    <div id="div1"></div>
    <input type="text"/>
    <input type="button" value="按钮"/>
</body>
<script>
    var oDiv=document.getElementById("div1");
    var oInp=document.getElementsByTagName("input")
    var arrColor=["red","blue","green","yellow"];

    oInp[0].focus()
    oInp[1].onclick=function(){
        var arr=[];
        arr=oInp[0].value
        oInp[0].value=""
        oInp[0].focus();
        console.log(arr.length)
        for(var i=0;i<arr.length;i++){
          oDiv.innerHTML+='<span style="background-color:'+ arrColor[i%arrColor.length]+'">'+arr[i]+'</span>'
        }

    }

   /* var aInput =document.getElementsByTagName("input");
    var oDiv=document.getElementById("div1");
    var arrColor=["red","blue","green","yellow"];

    aInput[1].onclick=function(){
        var val=aInput[0].value;//字符串
        var arr=val.split("");
        var str1="";
        for(var i=0;i<arr.length;i++){
            str1+="<span style='background:"+arrColor[i%arrColor.length]+"'>"+arr[i]+"</span>";
            /!*str1+=arr[i]*!/
        }
        console.log(str1);
        oDiv.innerHTML+=str1;
    }*/

</script>
</html>

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