Fix tags, languages and templates

2023-05-07 12:49:46 +03:00
parent 5c913d20bd
commit 2ecadbada9
245 changed files with 479 additions and 240 deletions
--- a/articles/s/javascript-undeclared-undefined-null.md
+++ b/articles/s/javascript-undeclared-undefined-null.md
@ -2,7 +2,8 @@
 title: What's the difference between undeclared, undefined and null in JavaScript?
 shortTitle: Undeclared, undefined and null
 type: question
-tags: [javascript,type]
+language: javascript
+tags: [type]
 author: chalarangelo
 cover: river-houses
 excerpt: JavaScript has three different empty states for variables. Learn their differences and how you can check for each one.