WMLScript removeAt() 函数
removeAt() 函数把字符串划分为元素,并删除指定的元素。
语法
n = String.removeAt(string, index, separator)
| 成分 | 描述 |
|---|---|
| n | 从函数返回的字符串。 |
| string | 原始字符串。 |
| index | 要删除的元素的下标。 |
| separator | 分隔符。 |
例子
var a = String.removeAt("Visit W3School!",0," ");
var b = String.removeAt("Visit W3School!",0,"W");
var c = String.removeAt("Visit W3School!",-2," ");
var d = String.removeAt("Visit W3School!",10," ");
结果
a = "W3School!" b = "3School!" c = "W3School!" d = "Visit"