How to add onclick to button in JavaScript | JavaScript Tutorial

How to add onclick to button in JavaScript | JavaScript Tutorial

In this video we will explore how to add a onclick function to the button in JavaScript. With this you create a trigger the moment the button has been clicked it will trigger a specific function. With a click on button you will activate the function and this is truly fun to explore. As this will make your HTML and CSS design more interactive and that grabs your visitors attention.

We will create it from scratch the code how to create this onclick event. This tutorial is a real javascript tutorial for beginners for people who want to learn javascript basics.

Got a question or special request about a specific item in javascript? Comment below and tell me your question. I will make sure to follow up on you!

Interested to learn about how to create charts? Check out below!

⭐ Chart JS Udemy Course ⭐:

Chart JS tutorials for Beginners:

Chart JS tutorials for Intermediate:

Chart JS Dashboard Series:
👍 Most Liked Video Series:

Why did I created these Chart JS video tutorials?
Have you ever used Excel where charts appear almost magically with a click on a button. You notice if you look at a chart or graph you can absorb information within seconds which would take you minutes if it is a table with data.

"A picture is worth a thousand words"

We all know that pictures and colors spark the mind. However, if you try to draw or code a 📊 bar chart or a 📈 line chart, or any type of chart in a Javascript library it is a big challenge. The documentation makes it hard and the it is very hard to work with a canvas tag.

Ancient Egypt used hieroglyphs in their writing system. Which was both logical and creative at the same time. And this is why I love charts as well. A chart is the closes to translating logic into visuals. Making the chart interactive is the best way to communicate your message to others.

If we know about this why is coding charts so complicated?

Because computer programming language is based on 100% logic. This is why when you look at Chart.JS, D3.JS, Chartist and other chart libraries in JS you will need to basically explain in logic to a computer what to make visual.

How and where can I help?

My goal and focus is on creating easy to understand Chart.JS videos so you can start using Chart JS in all your website endeavors making Chart.JS a topnotch and leading JS library for the years to come. Just like any programming library once more people use Chart JS it will attract more people to contribute and grow. The videos on Youtube and my complete course on Udemy are here to give a helping hand.

Seeing Chart.JS evolve from Chart.JS 1.0 to Chart.JS 3.0 and with their currently new expansion to Chart.JS 3.0 we can expect more new exciting charts in the near future.

About Chart.JS 3 | Chart JS 3
Chart JS is one of the most use Javascript libraries for the drawing charts. It is designed to create charts in the canvas tag which is great but at the same time slightly challenging for most people. However, knowing how to draw a chart will give you a big edge and most dashboards are consistently adding charts along data tables. Chart JS makes your data more alive and visually more appealing.

What type of charts can you make with Chart.JS?
With chart js you can make line chart, bar chart, pie chart, doughnut chart, scatter chart, polar area chart, radar chart, gauge chart and area chart. And with some clever tricks and visual adjustment more can be done.

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[idanbitton]

I really liked how you explain the material explicitly and do not just say that you need to write something specific but really explain why you are writing it, thank you very much ! 🤝

[RaibaRaibaIshaq-mvyd]

i really like your video really a good and very easy way to understand

[xxGoodfella]

this guy is the best and believe me ive been around looking for just this!

[CheeseY]

thank you so much! Really cool and helpful tutorial! You got a new subscriber!

[eduardomartins]

ty so much for this video, It helps me a lot!

[knwoledgeseeker]

teaching was on point, we new begginners need to hear more this kind of explanations thank u sir :)

[karybird]

THANK YOU for actually explaining what document.querySelector means!!! Nobody ever says that, they all just say "write this" and you have no idea what it means or why!!! New sub here, thank you so much.

[DJReeRee]

Thanks to you I understand query selector vs get element by id

[kokoz]

I really like how you explain your videos

[myhsksi]

Explained well in detail easy to understand and eàsy to do

[emmanuelmpaliyenutritionist]

I subscribed because your explanation is so cool.

[brunomenezes]

I FINALLY DID IT AFTER SO MANY HOURS THANK YOU

[okoliehenryford]

thanks alot
what of clicking on a magnifier to open the searchbar?

[eslresources]

Great job so easy to understand. I subscribed!

[isadorabarbatto]

Only because you made a mistake I could see the same mistake in my code!! I can't thank you enought!

[MatheusRafael-omce]

Man, i was in a big mess, you helped me a lot, thank you so much

[schooloffish]

Can you please make a video on how to use document.querySelectorAll for this? And how to make this buttons effects stay even if a user refreshes the page or goes to a different one? Thanks

[jacobstevenson]

How much html, css and js does one actually memorize to where you can build a website from scratch with no references(copying and altering code)?

[Humannacle]

Yeah well explained, thank you so much but I got a question, what if we have 3 buttons (1st button is the main heading text, 2nd is 2nd heading text and 3th is 3th heading text) so what if we click on 2nd button and it changes our main heading text to 2nd and after that if we want to go back to main heading text what command do we use?
<script>
function doSomething(){
main heading text's Id").innerHTML = "2nd heading text's name";
}
function changeText(){
("Our 2nd heading text's name" = main heading text's Id").innerHTML;
}
</script>
Smth like this or am I wrong?

[potatoedits]

hello i was coding on replit and this happened ReferenceError: changeColor is not defined
at HTMLButtonElement.onclick (/:11:35) pls help me