The method of converting string to lowercase by javascript

This article introduces the relevant knowledge of "javascript's method of converting strings to lowercase". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In javascript, you can convert a string to lowercase through the toLowerCase method, which uses the syntax "stringObject.toLowerCase ()", which can be used to convert a string to lowercase.

This article operating environment: windows7 system, javascript1.8.5 version, DELL G3 computer

ToLowerCase () method

Definition: the toLowerCase () method is used to convert strings to lowercase.

Syntax:

Var str = "String"; str .toLowerCase (); / / string

The toLowerCase () method is used to convert strings to lowercase.

Introduction to the toLowerCase () method:

StringObject.toLowerCase ()

Return value

A new string in which all uppercase characters of the stringObject are converted to lowercase characters.

Example

In this case, "Hello world!" Will be displayed in lowercase letters:

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