I am trying to addEventListener to all of my buttons. This is my first time using addEventListener and it is not running the usergetNumber function which should display a random number when any button is clicked. Answer From top to bottom. There’s already a function usergetNumber() { … } declaration in addEventListener(). It’s a function declaration not a callback here.
Tag: addeventlistener
How to add a button to run code inside LeafletJS marker?
I am trying to add a button inside a pointer which print a log to the console. This is just meant to be a test, so I can actually make the marker run a method, but I can’t even get it to print text. When I load the page, I immediately get this error: Uncaught (in promise) TypeError: Cannot read
How to capture the most exterior element when click event occurs
I need to get the most element when clicking in a div… Such as this… I think that this is related to some sort of bubbling or capturing effect., however I cannot handle that… I have already tried to do event.stopPropagation() or using useCature both unsuccessfully. In short what I want is to get the following bellow displayed in the
Cannot read property ‘length’ of undefined – after pressing ‘Enter’ key the value become undefined
Why when I’m pressing the Enter key the value of idNumber becomes undefined ? If I click on the button calling checkID() it shows the input’s string length in the console.log(idNumber) It’s just so weird Thanks for everyone. Answer You shouldn’t be assigning event handlers manually in React, assign onKeyPress the same way as you assign onChange and it works
Change CSS style of an element after user click on an area of an image
The area is defined by using map tag. There is also a paragraph above the image. When the user click on the image area, the color of the paragraph will change. Any idea how to do this with javascript? For example, this is the html Answer To change the style of the <p> tag when you click on the area
How to add event listener for a dynamically appended element’s classList
I have a div with the className mic-button, it is a dynamically appended element. I want to listen for change in it’s classList, like, I want to trigger function foo() when any class is added or removed from the element. I prefer to use Vanilla Js. I searched in internet, and i only got solution with JQUERY. Thanks, Rob Wilson
How can I use removeClickEvents if my events are added with a for loop? [javascript]
I am creating a tic-tac-toe game where I add event listeners to check if a box is clicked. Here is the function I am using to add click events to elements on my page: I would like to remove these events so I don’t overlap them once the game is reset. I have a separate button on the page that
How to create an event that when a div or it’s child elements clicked create a border around the whole div in vanilla Javascript
I have a container and inside of it I dynamically create divs. Every created div has 2 p elements inside. How can I add an onclick function in every created div so when click either the div or the p elements a green border appears only around the WHOLE div. Because now if I click a p the border is
handle addEventListener in if condition based on localStorage boolean value
I’m trying to switch the theme based on OS level light/dark mode. Users may change the system settings while using the website. So, I need to update in real-time instead of page refresh. So, I’m using addEventListenerto get system current changes. addEventListener works fine. But, It should work if the System Settings option is set to true. I have stored
What’s wrong with the addEventListeners
the vector should be able to be pulled and repositioned. ugh!. I have it up on fiddle at jsFiddle Answer There is nothing messy with JavaScript, you just need a lot more practice… Few things on your code, as they point out in the comments you have a typo cleintY, also you have to substract the canvas.offset to get the