Math.floor is what you use to round numbers down to their nearest whole number. Making it so you end up with an integer. With negative numbers the number is brought to a lower value, so -3.21 would be rounded down to -4. When rounding down regular numbers, it will look like this. Although this is …
Hi, if you’re looking to learn how to code, and you’re wondering what you’ll need to get started you’re in the right place. Learning to code is a large and complicated undertaking. It’s worth considering your options before you get into the thick of it. And even though you might hear a lot of people …
There are a few ways for you to run JavaScript on your computer. These are the main two ways. Browser (Chrome, Safari, Edge) In your Terminal or Command prompt using Node.JS Running custom JavaScript in your browser The easiest way to do this that I know of, is you can create a file on your …
The … operator is called a spread operator. It’s an ES6 way of taking an array, or a string, and act as if it’s in a for loop. That is to say, turn this. As you can see in the code above. The array was split apart, so that the function, sum(a,b,c), which has three …
Hey when you’re first learning to program, one thing that’s tough is trying to figure out what projects you can do. What’s within your skill level, what would be fun to have around and use yourself if you need it. And not only is it hard, it’s also tough to choose, since you have so …
So the JavaScript Map function. It’s a great way to iterate through an array. In other words, if you want to call some code to operate on every item in an array, you can do it with a map. The map() function doesn’t just do that though, it also returns the output of the array. …
JavaScript Maps, what they are, and how to use them Read More »
JavaScript classes, how to use them, what are they, and how can we get the best out of them.A shortened and explained guide covering the class information from the great mozilla developer references and guides here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes What are they? In short, using a JavaScript Class to make objects, is a way of making data …
There are a few ways, one way is to add an onclick=”” attribute to the div or button you want to click, another would be setting onclick listeners with javascript. These are both great ways to get your javascript to start interacting with the page. Onclick and why it’s probably not a good idea A …
How do you make a button call a JavaScript function? Read More »