toLowerCase()

此方法返回转换为小写的调用字符串值。

语法

string.toLowerCase( )

返回值

返回转换为小写的调用字符串值。

例

var str = "Apples are round, and Apples are Juicy.";
console.log(str.toLowerCase( ))

输出

apples are round, and apples are juicy.