/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

11 votes217 views3 answers
How to use body-parser in node js
Javascript Node.js
1 vote209 views2 answers
How to set expire time of jwt token in node js
Javascript Node.js
0 vote241 views1 answer
Insert multiple Row in SQL database with NodeJS
Javascript Node.js
-1 vote250 views2 answers
Nodejs bodyparser form data
Javascript Node.js
2 votes222 views2 answers
Nodejs tcp client
Javascript Node.js
2 votes240 views2 answers
Nodejs csv to json from link
Javascript Node.js
0 vote207 views1 answer
Node js check if called from command line
Javascript Node.js
0 vote231 views1 answer
Typescript in nodejs
Javascript Node.js
18 votes241 views4 answers
Nodejs create folder if not exist
Javascript Node.js
0 vote218 views2 answers
How to access css and js with nodejs
Javascript Node.js

Share