Loops
<ul>
<li>For loop
</li>
<li>while loop
</li>
<li>do while loop
</li>
</ul>
Arrays
Data structure that can hold multiple data values in one variable.
Methods:
arr.length
arr.push();
arr.filter( () =&gt; {}) 
it returns a new array
arr.map( () =&gt; {})
Objects
Used to store multiple properties in one variable.
DOM
The DOM allows you to access and change the styling and content of element on your website.
// First way of accessing element
document.querySelector('#id');
// Second way of accessing element
document.getElementById('title');

**Loops**

- For loop

- while loop

- do while loop

**Arrays**

Data structure that can hold multiple data values in one variable.


Methods:

arr.length

arr.push();

arr.filter( () => {}) 
it returns a new array

arr.map( () => {})


**Objects**

Used to store multiple properties in one variable.

**DOM**

The DOM allows you to access and change the styling and content of element on your website.


// First way of accessing element

document.querySelector('#id');

// Second way of accessing element

document.getElementById('title');






JavaScript Notes 2