javascript check type of element code example

Example 1: javascript find type of variable

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

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

Example 2: how to know type of dom element in js

let divElement = document.createElement('div');

if (divElement.nodeName == "DIV") //true
if (divElement.nodeName == "<div>") //false

Example 3: check data type in javascript

typeof("string"); //string
typeof(123); //number

Example 4: check data type in js

typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keyword

Example 5: how to get type of variable in javascript

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

Example 6: check data type in js

var x = "Hello World";
typeof x; // "string"