javascript get type of element code example

Example 1: 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 2: js get element type

// Use the DOM element's 'tagName' property:

var element_type = field.tagName;

Example 3: js typeof number

console.log(typeof 93);
// Output = "number"

console.log(typeof 'Maximum');
// Output = 'string'

console.log(typeof false);
// Output = "boolean"

console.log(typeof anUndeclaredVariable);
// Output = "undefined"

Example 4: javascript check type of variable var

// You can use the built-in method 'typeof' in order to check the variable datatype

//examples:

typeof "hello" // "string"

//or
var a = 1;
typeof(a);
//the output will be > 'number'