/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

2 votes180 views3 answers
Replaceall nodejs
Javascript Node.js
0 vote221 views1 answer
How to include build script in node js
Javascript Node.js
0 vote123 views1 answer
Como instalar o nodejs no linux
Javascript Node.js
4 votes193 views6 answers
Node js kill process
Javascript Node.js
0 vote203 views1 answer
Fetch image from cloudinary in nodejs
Javascript Node.js
0 vote196 views1 answer
Node silent print to themral
Javascript Node.js
1 vote220 views1 answer
Sqlite3 multithreading nodejs
Javascript Node.js
42 votes218 views3 answers
How to generate random string in node js
Javascript Node.js
3 votes181 views3 answers
Nodejs increase heap size
Javascript Node.js
0 vote177 views1 answer
Node spawn stdout stderr
Javascript Node.js

Share