Question

How to check if a string is empty in TypeScript

Answer 1

function isEmpty(str : string) {
    return (!str || str.length === 0 );
}
 
const str = "";
 
if (isEmpty(str)) {
    console.log("Empty")
}
 
 
 
 
 
/*
run:
 
"Empty"
 
*/

 

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Answer 2

const str = "";
 
if (str === "") {
    console.log("Empty")
}
 
 
 
 
 
/*
run:
 
"Empty"
 
*/

 

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