Robin Wieruch 9/30/2019

JavaScript Variable with Question Mark

Read Original

This article clarifies the use of the question mark in JavaScript. It explains the ternary operator as a shorthand for conditional variable assignment and details the optional chaining operator for safely accessing nested object properties without causing exceptions.

JavaScript Variable with Question Mark

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

2
Designing Design Systems
TkDodo Dominik Dorfmeister 2 votes
4
Introducing RSC Explorer
Dan Abramov 1 votes
6
Fragments Dec 11
Martin Fowler 1 votes
7
Adding Type Hints to my Blog
Daniel Feldroy 1 votes
8
Refactoring English: Month 12
Michael Lynch 1 votes
10