//js代码 function aa() { var cc = document.getElementById("txt1").value; var dd = document.getElementById("txt2").value; for (var i = 0; i < dd.length; i++) { if (cc.charAt(i) != dd.charAt(i)) { // alert(dd.charAt(i)); var res = document.getElementById("p1").innerText document.getElementById("p1").innerText =dd.charAt(i)+res; } } } // html <input id="txt1" type="text" /> <input id="txt2" type="text" /> <input id="btn1" type="button" onclick="aa()" value="button" /> <p id="p1"></p> |
|