在JavaScript中获取input元素value的值
方法一：var variations_number = $("#input的id名").val();
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<!--单机控件-->
<button onclick="printInputValue()">获取input元素value值</button>
<!--输入框-->
<input id="batch_add_delete_variations_number">
</body>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
<!-- 单机控件方法-->
function printInputValue() {
// 获取input值
var variations_number = $("#batch_add_|delete_variations_number").val();
// 弹窗
alert(variations_number);
}
</script>
</html>
方法二：var variations_number = document.getElementById("input的id名").value;
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<!--单机控件-->
<button onclick="printInputValue()">获取input元素value值</button>
<!--输入框-->
<input id="batch_add_delete_variations_number">
</body>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
<!-- 单机控件方法-->
function printInputValue() {
// 获取input值
var variations_number = document.getElementById("batch_add_delete_variations_number").value;
// 弹窗
alert(variations_number);
}
</script>
</html>
参考
