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Nalezeno "optional chaining": 2
The Optional Chaining Operator, “Modern” Browsers, and My Mom
30.1.2022
Jim Nielsen’s mom couldn’t open a website. Jim worked on confirming the issue and documented how he got to the bottom of it:
“[…] well it can’t be a browser issue. It’s not like my Mom is using Internet Explorer!
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The Optional Chaining Operator, “Modern” Browsers,...
Web Technologies and Syntax
24.9.2020
JavaScript has a (newish) feature called optional chaining. Say I have code like:
const name = Data.person.name;
If person happens to not exist on Data, I’m going to get a hard, show-stopping error. With optional chaining, I can write:
const name = Data.person?.name;
Now if person...