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> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { var h = new Hash({ a:'apple', b:'banana', c:'coconut' }); alert("Before removing elements : " + h.inspect() ); // Remove two elements. h.remove('a', 'c'); alert("After removing elements : " + h.inspect() ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type = "button" value = "Result" onclick = "showResult();"/> </body> </html>
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8725.html