freeCodeCamp/guide/english/certifications/javascript-algorithms-and-d.../basic-javascript/global-vs.-local-scope-in-f.../index.md

22 lines
937 B
Markdown
Raw Normal View History

2018-10-12 19:37:13 +00:00
---
title: Global vs. Local Scope in Functions
---
## Global vs. Local Scope in Functions
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
Remember that global scope means that the variable is available throughout the entire code. Local scope, means that the variable is available within a certain range.
In this exercise, you have an `outerWear` variable in global scope with "T-shirt" as its value. You should now create another variable named `outerWear`, but this time within the function `myOutfit()`. The basic code solution is as follows:
2018-10-12 19:37:13 +00:00
```javascript
var outerWear = "T-shirt";
function myOutfit() {
var outerWear = "sweater";
return outerWear;
}
myOutfit();
```
The function will return the closest `outerWear` it can find. Since we created an `outerWear` inside the function, that is the 'closest', so the function will return "sweater".