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查找和替换

查找和替换

作者: 沫忘丶 | 来源:发表于2019-04-15 21:13 被阅读0次
    <!DOCTYPE html>
    <html>
        <head>
            <meta charset="UTF-8">
            <title></title>
            <style>
                *{margin:0;padding:0;
     }
    body,ul,li,ol,dl,dd,p,h1,h2,h3,h4,h5,h6{ margin:0;
     }
    a{
    text-decoration:none; 
    }
    img{
    border:none;
    }
    ol,ul{
    list-style:none;
    }
    #box{
    margin: 50px auto;
    padding: 10px;
    width: 500px;
    height:200px;
    border: 1px dotted #333;
    }
    #box span{
    font-size: 18px;
    color: red;
    font-weight: bold;
    }
    #box p{
    margin-top: 10px;
    line-height: 30px;
    font-size: 14px;
    text-indent: 2em;
    }
            </style>
        </head>
        <body>
            <div id="box">
            <input id="inp1" type="text">
            <input id="inp2" type="text">
            <input id="btn1" type="button" value="查找">
            <input id="btn2" type="button" value="替换">
            <p id="txt">faksjhfkasfhafhoaisf
                        fjaiosjfoaijfosjifajsofija
                        asfjaoisfjoaifjoaisfjoai</p>
            </div>
            <script type="text/javascript">
                var oInp1 = document.getElementById("inp1");
                var oInp2 = document.getElementById("inp2");
                var oBtn1 = document.getElementById("btn1");
                var oBtn2 = document.getElementById("btn2");
                var oTxt = document.getElementById("txt");
                var txtHTML = oTxt.innerHTML;
                oBtn1.onclick = function (){
                var val = oInp1.value;
                var arr = txtHTML.split(val);
                //console.log(arr);
                oTxt.innerHTML = arr.join("<span>"+val+"</span>");
                };
                oBtn2.onclick = function (){
                var val1 = oInp1.value;
                var val2 = oInp2.value;
                if(val1){
                var arr = txtHTML.split(val1);
                oTxt.innerHTML = arr.join("<span>"+val2+"</span>");
                txtHTML = arr.join(val2);
                }
                }
            </script>
        </body>
    </html>
    
    

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          本文标题:查找和替换

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