check if string is empty
let str1 = "Hello world!";
let str2 = "";
let str3 = 4;
console.log(str1.length === 0)
console.log(str2.length === 0)
console.log(str3.length === 0)
false
true
falsecheck if string is empty
let str1 = "Hello world!";
let str2 = "";
let str3 = 4;
console.log(str1.length === 0)
console.log(str2.length === 0)
console.log(str3.length === 0)
false
true
falseCopyright © 2021 Codeinu
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