D11117236李柔蓁JavaScript執行輸入字串再反向輸出
JaveScript輸出結果 李柔蓁輸入字串: JaveScript程式碼 lt=less then; gt=greater than <p>李柔蓁輸入字串:<input type="text" width="80" id="in"></p> <p><input onclick="f()" type="button" value="李柔蓁執行JavaScript" /></p> <p id="out"></p> <script> function f(){ var a = document.getElementById("in").value;/*取得id=in的文字*/ var b = "源自串: "+a+"<br>長度是:" + a.length + "<br>反串是: "; var c = ""; for (var i = 0; i < a.length; i++) c = a.slice(i,i+1) + c ; b = b + "<font size=7>"+ c+"</font>"; document.getElementById("out").innerHTML = b; } </script>