console 命令行工具 X clear

console

function covert(){
   	//获取第一个输入框的值 
var a=document.getElementById("one").value
//字符转换成ASCII码函数
  var b = a.charCodeAt();
  document.getElementById("two").value=b



}

function clear_value(){
  var x = document.getElementsByTagName("input");
  var i;
  for (i = 0; i < x.length; i++) {
    x[i].value = "";
  }
}

<html>
<head><title>js</title></head>
<body>
    <div style="margin-left:300px">
	<h2>字符转换成ASCII码</h2>
    <input type="text"  id="one"  placeholder='请输入任意字符'/>
    <button  onclick="covert()">转换</button>
    <input type='text' id='two' placeholder='转换结果'/> 
     <button  onclick="clear_value()" >清空</button>

</div>
</body>



</html>