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masautt/trhvy6.js

Created September 6, 2019 03:58
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How to check if string is all lowercase in JavaScript?
Raw
trhvy6.js
function isLowerCase(str) {
return str === str.toLowerCase();
}
let fname = "Marek";
let lname = "sautter";
console.log(isLowerCase(fname)); // --> false
console.log(isLowerCase(lname)); // --> true
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