李翊愷JavaScript輸出與輸入的程式碼
JavaScript輸出與輸入 輸入字串: JavaScript輸出與輸入的方程式 <style> h1 {background-color: pink; border: solid 15px orange; text-align: center; color: white; padding: 5px;} </style> <h1>JavaScript輸出與輸入</h1> <p>輸入字串:<input type="text" len="60" id="in"></p> <p><input type="button" value="李翊愷執行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 = "原字串: " + 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 + c; b = "<font size=6>"+b+"</font>"; document.getElementById("out").innerHTML = b; } </script> <h1>JavaScript輸出與輸入的方程式</h1> 李翊愷...