Tag: dom-events

Google chart line with zoom and select event

charts dom-events google-visualization javascript zooming

I built a line chart that fire an alert when the points are clicked, that works fine. The problem is when I add the ‘explorer’ option (commented line, below) to enable the scroll zoom on the chart: the select event doesn’t fire and the click doesn’t work anymore (fiddle)… Please check this fiddle Answer Put the draw method after register

JavaScript remove an IIFE event listener

dom-events javascript

I’m trying to remove click events from a list of id’s after adding them with an IIFE like this The clickSquare function returns Then I try to remove them with I’ve tried naming the returned anonymous function and using removeEventListener on that to no avail. Answer To remove event listener from a DOM element you need to pass the same

Event listener does not work with pre-defined function as parameter

addeventlistener dom-events javascript

I’m a beginner and I have just tried to do this: ul.addEventListener(“click”, function(e) { console.log(“Hi”); }); This works. I understand that this is an anonymous function. …

Remove Event Listener In an Object Literal Lost this reference

dom-events event-handling javascript

Currently working on a small project using an OLOO style approach. Problem found here So the issue I am facing is that I have an event handler. Now what happens is that I want this to be removed after the first click. However this does not seem to work as I expected. I am binding the object this reference yet

Pass this to addEventListener() as parameter

dom dom-events javascript

I want to add change event to a group of checkboxes, how can I access this in my event function, so that when I do the event I can access value of the checkbox. This is my current code: Answer Inside the forEach callback, this does not refer to a DOM element. It doesn’t refer to any useful value. Secondly,

NodeJS doesn’t like passport + sequelize logins

dom-events javascript node.js passport.js sequelize.js

I’m going crazy with nodejs. I’m trying to realize the backend for a simple user management webapp powered by NodeJS, using Passport-Local and Sequelize libraries. Right now I just designed the user model. The main problem I have is that the signup process gives me an error: it looks like that I’m working on an undefined object. Could please someone

Toggle Class based on scroll React JS

dom-events events javascript reactjs twitter-bootstrap

I’m using bootstrap 4 nav bar and would like to change the background color after ig 400px down scroll down. I was looking at the react docs and found a onScroll but couldn’t find that much info on it. So far I have… I don’t know if I’m using the right event listener or how to set the height etc.

Javascript function not working on blur event

dom-events javascript

I have written a function which I expect should check if a text field is empty and if so should bring the focus back on it. The check is done when a user moves away from the text field (on blur). Unfortunately, the code isn’t working. Why is it so? I am using playframework. The issue is in Javascript code.

Listen for jQuery Event With Vanilla JS

dom-events javascript jquery jquery-events

So I am trying to determine whether its possible to listen for events added with jQuery using vanilla JS. I found this question: Listen to jQuery event without jQuery which definitely answers it for version 1 of jQuery. How about version 3 however? I have a fiddle that I have put together to test out, but I am unable to

Assigning values to html elements and reading it

algorithm css dom-events html javascript

I’m trying to make tic-tac-toe game, basing just on html, CSS and pure js. I have already base of game (there is one bug), but I have problem to detect once someone wins. I’ve decided to use MagicSquare algorithm, but I don’t have idea how to attach value to each td element. Here you can find, what I have at