JavaScript删除数组元素的方法

  作者:bea

本文实例讲述了JavaScript删除数组元素的方法。分享给大家供大家参考。具体分析如下: JS中可以通过delete删除数组元素,但是删除后数组的大小不会改变 <script type="text/javascript"><!--var days = ["Sunday","Monday","Tuesday","Wednesday", "Thursday","Friday","Saturday"];document.write("Number of d

本文实例讲述了JavaScript删除数组元素的方法。分享给大家供大家参考。具体分析如下:


JS中可以通过delete删除数组元素,但是删除后数组的大小不会改变




<script type="text/javascript">
<!--
var days = ["Sunday","Monday","Tuesday","Wednesday",
"Thursday","Friday","Saturday"];
document.write("Number of days:"+days.length);
delete days[4];
document.write("<br />Number of days:"+days.length);
//-->
</script>


输出结果




Number of days:7
Number of days:7


希望本文所述对大家的javascript程序设计有所帮助。




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