/Javascript/Node.js/Node js check type of variable

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

Similar codes

0 vote374 views1 answer
Refresh a page in the browser node js
Javascript Node.js
-1 vote359 views1 answer
Get home directory in nodejs windows
Javascript Node.js
2 votes338 views1 answer
Get query string javascript nodejs
Javascript Node.js
0 vote325 views1 answer
Res : [ Circular ] nodejs
Javascript Node.js
0 vote323 views1 answer
Node js while loop with settimeout
Javascript Node.js
1 vote341 views1 answer
Nodejs spawn set env variable
Javascript Node.js
1 vote328 views1 answer
Boilerplate node js server
Javascript Node.js
0 vote378 views1 answer
Node express app.listen at specific port & host
Javascript Node.js
0 vote319 views1 answer
Node red json array
Javascript Node.js
1 vote364 views1 answer
Node js response header
Javascript Node.js

Share