D11117113江紫恩JavaScript執行輸入字串再反向輸出JS Code編輯Java
JavaScript輸出結果 江紫恩輸入字串: JavaScript程式碼 lt=less then; gt=greater then; <p>江紫恩輸入字串:<input type="text" len="50" id="in"></p> <p><input type="button" value="江紫恩執行JavaScript" onclick="f()"></p> <p id="out"></p> <script> function f(){ var a = document.getElementById("in").value;/*取得id=in的文字*/ var b = "源字串: "+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>