Converting to Upper and Lower Case

A string is converted to upper case with toUpperCase():

var text1 = "Hello World!"; // String
var text2 = text1.toUpperCase(); // text2 is text1 converted to upper

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A string is converted to lower case with toLowerCase():

var text1 = "Hello World!"; // String
var text2 = text1.toLowerCase(); // text2 is text1 converted to lower

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