We provide you with some content to get started smoothly, check it out!
- Video [Link a JS script to your HTML file](https://www.youtube.com/watch?v=jMvsQm-p1gM&list=PLHyAJ_GrRtf979iZZ1N3qYMfsPj9PCCrF&index=7)
- Video [DOM JS - getElementById](https://www.youtube.com/watch?v=34kAR8yBtDM&list=PLHyAJ_GrRtf979iZZ1N3qYMfsPj9PCCrF&index=8)
- Video [DOM JS - Set an element's inline style](https://www.youtube.com/watch?v=pxlYKvju1z8&list=PLHyAJ_GrRtf979iZZ1N3qYMfsPj9PCCrF&index=15)
- Video [DOM JS - classList: add & remove](https://www.youtube.com/watch?v=uQEM-3_4vPA&list=PLHyAJ_GrRtf979iZZ1N3qYMfsPj9PCCrF&index=17)
- [Memo DOM JS](https://github.com/nan-academy/js-training/blob/gh-pages/examples/dom.js)
### Instructions
### Instructions
Still there? Well done! But hold on, here begins the serious part... In order to control your creation, you're going to plug its brain: JavaScript.
Still there? Well done! But hold on, here begins the serious part... In order to control your creation, you're going to plug its brain: JavaScript.
[`Link a JS script`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) to your HTML file.
[`Link a JS script`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script) to your HTML file.
In this script, you're going to close the left eye of your entity.
In this script, you're going to close the left eye of your entity.
To do so, you have to target the `eye-left` HTML element by its `id` thanks to the [`getElementById`](https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementById) method. Then, [change the `style`](https://developer.mozilla.org/en-US/docs/Web/API/ElementCSSInlineStyle/style#setting_styles) of your `eye-left` to set its background color to black. We also need to modify its shape ; for that we are going to add a new class to it.
To do so, you have to target the `eye-left` HTML element by its `id` thanks to the [`getElementById`](https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementById) method. Then, [set the `style`](https://developer.mozilla.org/en-US/docs/Web/API/ElementCSSInlineStyle/style#setting_styles) of your `eye-left` to set its background color to "black". We also need to modify its shape ; for that we are going to add a new class to it.
First, define this new class in your CSS file:
First, define this new class in your CSS file:
```
```
@ -17,7 +26,7 @@ First, define this new class in your CSS file:
}
}
```
```
In the JS file, add the freshly-created class `eye-closed` to the [`classList`](https://css-tricks.com/snippets/javascript/the-classlist-api/) of your `eye-left` element, and [set its style property](https://developer.mozilla.org/en-US/docs/Web/API/ElementCSSInlineStyle/style#setting_styles) background color to "black".
In the JS file, add the freshly-created class `eye-closed` to the [`classList`](https://css-tricks.com/snippets/javascript/the-classlist-api/) of your `eye-left` element.
Reload the page - it's alive! Your JS brain has control and orders your HTML/CSS body to close one eye.
Reload the page - it's alive! Your JS brain has control and orders your HTML/CSS body to close one eye.
GitHub