JavaScript: Detect whether the website is being opened in a mobile device or a desktop/laptop

JavaScript fundamental (ES6 Syntax): Exercise-72 with Solution

Write a JavaScript program to detect whether the website is opened on a mobile device or a desktop/laptop.

  • Use a regular expression to test the navigator.userAgent property to figure out if the device is a mobile device or a desktop.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const detectDeviceType = () =>
  /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)
    ? 'Mobile'
    : 'Desktop';
console.log(detectDeviceType()); // "Mobile" or "Desktop"

Sample Output:



flowchart: Detect wether the website is being opened in a mobile device or a desktop/laptop

Live Demo:

See the Pen javascript-basic-exercise-72-1 by w3resource (@w3resource) on CodePen.

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JavaScript: Tips of the Day

Parse an HTTP Cookie header string and return an object of all cookie name-value pairs


const parseCookie = str =>
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    .reduce((acc, v) => {
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[object Object] {
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