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Tag: html

Get element height with Vuejs

I want to get the height of a div in order to make the height of another div matching it. I used the method clientHeight, but It doesn’t return me the good value (smaller value). Actually, It seems to return a height before all elements are charged. After some research online, I tried to put a window.load() to delay until

making each canvas line draggable and droppable

I am able to draw some lines on the canvas. I want to make each line draggable and droppable. However, it is implemented by storing the positions of different lines in the array, how can I make each of them like an instance that is draggable and droppable? Or did I get it wrong? You can check out the code

Javascript innerhtml not working on div

Why is document.getElementById(“passage”).innerHTML = “Paragraph changed!” not working for me? I just end up with a blank screen, not even the original “hello”. Answer Your script is called before the element is loaded, try calling the script after loading element

Trigger CSS Animations in JavaScript

I don’t know how to use JQuery, so I need a method which could trigger an animation using JavaScript only. I need to call/trigger CSS Animation when the user scrolls the page. Answer The simplest method to trigger CSS animations is by adding or removing a class – how to do this with pure Javascript you can read here: How

(change) vs (ngModelChange) in angular

Angular 1 does not accept onchange() event, it’s only accepts ng-change() event. Angular 2, on the other hand, accepts both (change) and (ngModelChange) events, which both seems to be doing the same thing. What’s the difference? which one is best for performance? ngModelChange: vs change: Answer (change) event bound to classical input change event. https://developer.mozilla.org/en-US/docs/Web/Events/change You can use (change) event

Saving canvas to JSON and loading JSON to canvas

I want to make it so that when I press the save button, file explorer opens and opts me to choose location to save the JSON file of the canvas. I also want to be able to load the canvas with the JSON file via the load button. How can I get started with this? Any help is appreciated. Answer

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