Fixed error

Author: ajay-dhangar

tutorial/best-practices-js.md

@@ -8,6 +8,9 @@ tags:
 description: "In this tutorial, we will learn about the best practices in JavaScript. We will learn about the coding standards, recommendations, conventions, rules, linting, ESLint, Prettier."
 ---
 
+import Tabs from '@theme/Tabs';
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 Best Practices in JavaScript are a set of coding standards, recommendations, conventions, and rules that developers should follow while writing JavaScript code. They help in maintaining the code quality, readability, and consistency across the codebase. They also help in avoiding common pitfalls and bugs in the code.
 
 There are various tools available for enforcing the best practices in JavaScript such as ESLint, Prettier, etc. These tools help in automatically checking the code against the best practices and providing suggestions or warnings to fix the issues.

tutorial/mistakes-js.md

@@ -7,6 +7,9 @@ tags: [ JavaScript, Mistakes, Common Mistakes in JavaScript, JavaScript Mistakes
 description: "In this tutorial, we will learn about the common mistakes in JavaScript that developers make and how to avoid them. We will learn about the common pitfalls, bugs, and errors in JavaScript code and how to fix them."
 ---
 
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
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 JavaScript is a powerful and flexible language, but it is also easy to make mistakes while writing code. In this tutorial, we will learn about the common mistakes in JavaScript that developers make and how to avoid them. By understanding these mistakes and pitfalls, you can write better and more reliable JavaScript code.
 
 ## Common Mistakes in JavaScript

tutorial/modules-js.md

@@ -3,70 +3,13 @@ id: modules-in-js
 title: Modules in JavaScript
 sidebar_label: Modules
 sidebar_position: 37
-tags:
-  [
-    JavaScript,
-    Modules,
-    ES6,
-    ES2015,
-    ES6 Features,
-    ES2015 Features,
-    ES6 Tutorials,
-    ES2015 Tutorials,
-    ES6 Tutorial,
-    ES2015 Tutorial,
-    ES6 Modules,
-    ES2015 Modules,
-    Modules in JavaScript,
-    Modules in ES6,
-    Modules in ES2015,
-    JavaScript Modules,
-    ES6 Modules Tutorial,
-    ES2015 Modules Tutorial,
-    Modules Tutorial,
-    Modules in JavaScript Tutorial,
-    Modules in ES6 Tutorial,
-    Modules in ES2015 Tutorial,
-    JavaScript Modules Tutorial,
-    ES6 Modules Example,
-    ES2015 Modules Example,
-    Modules Example,
-    Modules in JavaScript Example,
-    Modules in ES6 Example,
-    Modules in ES2015 Example,
-    JavaScript Modules Example,
-    ES6 Modules Syntax,
-    ES2015 Modules Syntax,
-    Modules Syntax,
-    Modules in JavaScript Syntax,
-    Modules in ES6 Syntax,
-    Modules in ES2015 Syntax,
-    JavaScript Modules Syntax,
-    ES6 Modules Syntax Example,
-    ES2015 Modules Syntax Example,
-    Modules Syntax Example,
-    Modules in JavaScript Syntax Example,
-    Modules in ES6 Syntax Example,
-    Modules in ES2015 Syntax Example,
-    JavaScript Modules Syntax Example,
-    ES6 Modules Syntax Tutorial,
-    ES2015 Modules Syntax Tutorial,
-    Modules Syntax Tutorial,
-    Modules in JavaScript Syntax Tutorial,
-    Modules in ES6 Syntax Tutorial,
-    Modules in ES2015 Syntax Tutorial,
-    JavaScript Modules Syntax Tutorial,
-    ES6 Modules Syntax Example Tutorial,
-    ES2015 Modules Syntax Example Tutorial,
-    Modules Syntax Example Tutorial,
-    Modules in JavaScript Syntax Example Tutorial,
-    Modules in ES6 Syntax Example Tutorial,
-    Modules in ES2015 Syntax Example Tutorial,
-    JavaScript Modules Syntax Example Tutorial,
-  ]
+tags: [ JavaScript, Modules, Modules in JavaScript, JavaScript Modules, JavaScript Modules Tutorial, JavaScript Modules Example, JavaScript Modules ES6, JavaScript Modules Import Export, JavaScript Modules Default Export, JavaScript Modules Multiple Exports, JavaScript Modules Re-exporting ]
 description: "In this tutorial, you will learn about modules in JavaScript, a new feature introduced in ES6 (ES2015) that allows you to organize your code into reusable pieces."
 ---
 
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
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 In JavaScript, modules are a new feature introduced in <mark>ES6 (ES2015)</mark> that allows you to organize your code into reusable pieces. Modules are a way to split your code into separate files and import/export the parts you need.
 
 In this tutorial, you will learn about modules in JavaScript with the help of examples.

tutorial/performance-js.md

@@ -7,6 +7,9 @@ tags: [ JavaScript, Performance, JavaScript Performance, JavaScript Performance
 description: "In this tutorial, we will learn about performance optimization in JavaScript. We will discuss various techniques and best practices to improve the performance of your JavaScript code and make it run faster."
 ---
 
+import Tabs from '@theme/Tabs';
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 JavaScript is a powerful and flexible language, but it can also be slow if not optimized properly. In this tutorial, we will learn about performance optimization in JavaScript. By following these techniques and best practices, you can improve the performance of your JavaScript code and make it run faster.
 
 ## Performance Optimization Techniques