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2:38 am, July 23, 2019

JS Using typeof to check on string types

you can use the typeof operator to check what kind of variables you have.

JS Using typeof to check on string types Demo

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JS Using typeof to check on string types Code

HTML

<!-- console log result -->
(index):190 var_one is a : number with the value 1
(index):191 var_two is a : string with the value 1
(index):192 var_three is a : boolean with the value true
(index):193 var_four is a : boolean with the value true

Javascript

var var_one = 1;
var var_two = '1';
var_three = true;
var_four = !!1;

console.log("var_one is a : " + typeof var_one + " with the value " + var_one);
console.log("var_two is a : " + typeof var_two + " with the value " + var_two);
console.log("var_three is a : " + typeof var_three + " with the value " + var_three);
console.log("var_four is a : " + typeof var_four + " with the value " + var_four);

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