一個JavaScript處理textarea中的字符成每一行實例

字號:


    <!doctype html>
    <html lang="en">
    <head>
    <meta charset="utf-8">
    <title>每天一個JavaScript實例-處理textarea中的字符成每一行</title>
    <script>
    function clicka(){
    console.log("aaa");
    var aa = document.getElementById("text");
    var lines = aa.value.split("n");
    var bbb = document.getElementById("result");
    var string = "";
    for(i=0;i<lines.length;i++){
    string+= lines[i]+"<br />";////</br> 和<br /> 應該用 <br />
    }
    bbb.innerHTML=string
    }
    </script>
    </head>
    <body>
    <textarea id="text" placeholder="請輸入多行文字"></textarea>
    <div id = "result"></div>
    <a href="javascript:void(0);" onClick="clicka()">處理換行</a>
    </body>
    </html>