返回到:Prototype – 数组处理
此方法清除数组(使其为空)。
语法
array.clear();
返回值
返回一个空数组。
例子
<html>
<head>
<title>Prototype examples</title>
<script type = "text/javascript" src = "/javascript/prototype.js"></script>
<script>
function showResult() {
var guys = ['Sam', 'Justin', 'Andrew', 'Dan'];
alert("Before using clear" );
guys.each(function(item) {
alert(item );
});
guys.clear();
alert("After using clear" );
guys.each(function(item) {
alert(item );
});
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<br />
<input type = "button" value = "Result" onclick = "showResult();"/>
</body>
</html>返回到:Prototype – 数组处理
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8800.html
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