此方法从散列中删除键并返回它们的值。此方法自 v1.6.0 后不可用。
语法
hash.remove(key1, key2...);
返回值
返回生成的合并哈希。
例子
HTML
x
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<html>
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<head>
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<title>Prototype examples</title>
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<script type = "text/javascript" src = "/javascript/prototype.js"></script>
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<script>
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function showResult() {
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var h = new Hash({ a:'apple', b:'banana', c:'coconut' });
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alert("Before removing elements : " + h.inspect() );
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// Remove two elements.
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h.remove('a', 'c');
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alert("After removing elements : " + h.inspect() );
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}
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</script>
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</head>
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<body>
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<p>Click the button to see the result.</p>
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<br />
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<br />
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<input type = "button" value = "Result" onclick = "showResult();"/>
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</body>
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</html>
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作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8725.html