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added hyperlinks to eachscope #240

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Merged
merged 4 commits into from
Oct 8, 2024
Merged

added hyperlinks to eachscope #240

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224d56f
added hyperlinks to eachscope
hemangtk Oct 8, 2024
a46a86a
added hyperlink to function and block scope
hemangtk Oct 8, 2024
9fe4a81
made the changes required
hemangtk Oct 8, 2024
25250fa
made the changes required
hemangtk Oct 8, 2024
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9 changes: 6 additions & 3 deletions en/interview-questions/basic-level.md
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Expand Up @@ -203,10 +203,11 @@ In general terms, the scope will let us know at a given part of code, what are v

There are three types of scopes in JS:

- Global Scope
- Local or Function Scope
- Block Scope
- [Global Scope](#global-scope)
- [Local or Function Scope](#function-scope)
- [Block Scope](#block-scope)

<a id="global-scope"></a>
**Global Scope**: Variables or functions declared in the global namespace have global scope, which means all the variables and functions having global scope can be accessed from anywhere inside the code.

```js
Expand All @@ -221,6 +222,7 @@ function sendMessage2() {
sendMessage2(); // Returns “Hello world”
```

<a id="function-scope"></a>
**Function Scope**: Any variables or functions declared inside a function have `local/function scope`, which means that all the variables and functions declared inside a function, can be accessed from within the function and not outside of it.

```js
Expand All @@ -236,6 +238,7 @@ console.log(a); // Throws reference error since a is written in local scope and
multiplyBy2(); // Throws reference error since multiplyBy2 is written in local scope
```

<a id="block-scope"></a>
**Block Scope**: `Block scope` is related to the variables declared using let and const. Variables declared with var do not have block scope. Block scope tells us that any variable declared inside a block `{ }`, can be accessed only inside that block and cannot be accessed outside of it.

```js
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