簡単な計算機の実現機能を作り、数字1と数字2を入力して合計し、結果を出力します.

6429 ワード

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>     </title>
		<style>
			input{
     
				border-radius:10px;/*    */
				border:1px solid #ccc;
			}
		</style>
	</head>
	<body>
		<!-- oninput="value=value.replace(/[^\d]/g,'')"         (     )-->
		<input type="text" id="umber1" placeholder="      " oninput="value=value.replace(/[^\d]/g,'')"> +
		<input type="text" id='umber2' placeholder="      " oninput="value=value.replace(/[^\d]/g,'')">
		<input type="button" value="=" id="sum">
		<input type='text' id="resule" placeholder="     ">
		<script>
			document.getElementById('sum').onclick=function(){
     
				var umber1 = parseFloat(document.getElementById('umber1').value);//parseFloat()        ,        。
				var umber2 = parseFloat(document.getElementById('umber2').value);
				var resule = umber1 + umber2;
				document.getElementById('resule').value=resule;
			}
		</script>
	</body>
</html>