Prototype - Form.Element select() 方法
此方法选择文本输入中的当前文本。
语法
formElement.select();
返回值
它返回选定的 HTML 元素。
示例
<html>
<head>
<title>Prototype examples</title>
<script type = "text/javascript" src = "/javascript/prototype.js"></script>
<script>
function showResult() {
var elem = $('searchbox');
Form.Element.select(elem)
}
</script>
</head>
<body>
<p>Enter some value 单击按钮查看结果。</p>
<br />
<form id = "example" action = "#">
<fieldset>
<div>
<label for = "searchbox">Search</label>
<input id = "searchbox" name = "searchbox" type = "text">
</div>
<div>
<input value = "Result" type = "button" onclick = "showResult();">
</div>
</fieldset>
</form>
</body>
</html>
输出
prototype_form_management.html
