Js Built-in Functions

字符串与数组方法总结

最新推荐文章于 2024-10-20 23:43:47 发布

iteye_13003

最新推荐文章于 2024-10-20 23:43:47 发布

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分类专栏： JAVA 乔乐共享文章标签： JAVA 乔乐共享 js ViewUI

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本文汇总了常用的字符串和数组操作方法，包括字符检索、字符串连接、数组元素遍历及排序等核心功能。介绍了如charAt()、concat()、forEach()、indexOf()等字符串与数组方法的用途。


Method	Description
charAt()	Returns the character at the specified index.
concat()	Combines the text of two strings and returns a new string.
forEach()	Calls a function for each element in the array.
indexOf()	Returns the index within the calling String object of the first occurrence of the specified value, or -1 if not found.
length()	Returns the length of the string.
pop()	Removes the last element from an array and returns that element.
push()	Adds one or more elements to the end of an array and returns the new length of the array.
reverse()	Reverses the order of the elements of an array -- the first becomes the last, and the last becomes the first.
sort()	Sorts the elements of an array.
substr()	Returns the characters in a string beginning at the specified location through the specified number of characters.
toLowerCase()	Returns the calling string value converted to lower case.
toString()	Returns the string representation of the number's value.
toUpperCase()	Returns the calling string value converted to uppercase.