Convert string to uppercase
将字符串转换为大写
The string to convert. 要转换的字符串
The uppercase string with words separated by spaces. 转换后的大写字符串，单词之间用空格分隔
upperCase('Hello World') // => 'HELLO WORLD'upperCase('hello world') // => 'HELLO WORLD'upperCase('order-by') // => 'ORDER BY' Copy
upperCase('Hello World') // => 'HELLO WORLD'upperCase('hello world') // => 'HELLO WORLD'upperCase('order-by') // => 'ORDER BY'
Convert string to uppercase
将字符串转换为大写