From e4d770e256a6a9b0babaa6cb3b8887079c84a429 Mon Sep 17 00:00:00 2001
From: Arik Chakma <arikchangma@gmail.com>
Date: Fri, 22 Sep 2023 19:17:58 +0600
Subject: [PATCH] wip: add more questions

---
 .../javascript/content/equality-operator.md   |  7 ++++++
 .../question-groups/javascript/javascript.md  | 25 +++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 src/data/question-groups/javascript/content/equality-operator.md

diff --git a/src/data/question-groups/javascript/content/equality-operator.md b/src/data/question-groups/javascript/content/equality-operator.md
new file mode 100644
index 000000000..b3204e858
--- /dev/null
+++ b/src/data/question-groups/javascript/content/equality-operator.md
@@ -0,0 +1,7 @@
+The `==` equality operator converts the operands if they are not of the same type, then applies strict comparison. The `===` strict equality operator only considers values equal that have the same type.
+
+```js
+console.log(1 == '1'); // true
+console.log(1 === '1'); // false
+console.log(1 === 1); // true
+```
diff --git a/src/data/question-groups/javascript/javascript.md b/src/data/question-groups/javascript/javascript.md
index 0b348cea2..46c6ca77d 100644
--- a/src/data/question-groups/javascript/javascript.md
+++ b/src/data/question-groups/javascript/javascript.md
@@ -23,4 +23,29 @@ questions:
     topics:
       - 'Core'
       - 'Beginner'
+  - question: What is the difference between `var`, `let`, and `const` in JavaScript?
+    answer: In JavaScript, `var` is function-scoped and was traditionally used to declare variables. `let` and `const` are block-scoped. The key difference between `let` and `const` is that `let` allows for reassignment while `const` creates a read-only reference.
+    topics:
+      - 'Core'
+      - 'Intermediate'
+  - question: What is the difference between `null` and `undefined`?
+    answer: The `null` is an assignment value. It can be assigned to a variable as a representation of no value. But the `undefined` is a primitive value that represents the absence of a value, or a variable that has not been assigned a value.
+    topics:
+      - 'Core'
+      - 'Intermediate'
+  - question: What is the difference between `==` and `===`?
+    answer: equality-operator.md
+    topics:
+      - 'Core'
+      - 'Intermediate'
+  - question: What are the different ways to declare a variable in JavaScript?
+    answer: There are three ways to declare a variable in JavaScript `var`, `let`, and `const`.
+    topics:
+      - 'Core'
+      - 'Intermediate'
+  - question: What are Scopes in JavaScript?
+    answer: A scope is a set of variables, objects, and functions that you have access to. There are three types of scopes in JavaScript. Which are Global Scope, Function Scope (Local Scope), and Block Scope.
+    topics:
+      - 'Core'
+      - 'Intermediate'
 ---