How to change a String's Case in JavaScript


Strings can be capitalized using String.toUpperCase
For instance;

const str = 'John swana'

str.toUpperCase()

// 'JOHN SWANA'


String.toLowerCase turns strings to their small letters or 'lowerCase'


const strr = "Lorem ipsum"
strr.toLowerCase()

// lorem ipsum

Numbers are not converted, they remain constant, untouched and unchanged.


'65'.toLowerCase()

// '65'

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