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toLowerCase()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.
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