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Node js check type of variable

Javascript how to know type of variable

var foo = "Hello";
console.log(typeof foo); // string

17

Javascript find type of variable

> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"

if(typeof bar === 'number') {
   //whatever
}

6

Source: stackoverflow.com

Node js check type of variable

if (typeof i != "number") {
    console.log('This is not number');
}

1

Source: stackoverflow.com

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