How to remove keydown eventlistener?

I have the following code that will run when an iframe webapplet is loaded in the current page. window.addEventListener("keydown", function(e) { if(["Backspace","Tab","Enter","ShiftLeft","ShiftRight","ControlLeft","ControlRight","AltLeft","AltRight","Pause","CapsLock","Escape","Space","PageUp","PageDown","End","Home","ArrowLeft","ArrowUp","ArrowRight","ArrowDown","PrintScreen","Insert,","Delete","Digit0","Digit1","Digit2","Digit3","Digit4","Digit5","Digit6","Digit7","Digit8","Digit9","KeyA","KeyB","KeyC","KeyD","KeyE","KeyF","KeyG","KeyH","KeyI","KeyJ","KeyK","KeyL","KeyM","KeyN","KeyO","KeyP","KeyQ","KeyR","KeyS","KeyT","KeyU","KeyV","KeyW","KeyX","KeyY","KeyZ","MetaLeft","MetaRight","ContextM,nu","Numpad0","Numpad1","Numpad2","Numpad3","Numpad4","Numpad5","Numpad6","Numpad7","Numpad8","Numpad9","NumpadMultiply","NumpadAdd","NumpadSubtract","NumpadDecimal","NumpadDivide","F1","F2","F3","F4","F5","F6","F7","F8","F9","F10","F11","F12","NumLock","ScrollLock","Semicolon","Equal","Comma","Minus","Period","Slash","Backquote","BracketLeft","Backslash","BracketRight","Quote"].indexOf(e.code) > -1) { e.preventDefault(); } }, false); What I’d like to do is easily undo the above code once the user closes the webapplet. This will simply set the webapp to display: none,… Read More How to remove keydown eventlistener?

Can a user exit a contenteditable with a key?

I currently have a content editable that allows users to change text within a span. I want to make it so that the content editable container closes after the user presses the Enter key. container.addEventListener(‘click’, (event) => { if (event.target.classList.contains(‘targetSpan’)){ document.removeEventListener(‘keydown’, keyDownEvents); document.addEventListener(‘keydown’, (event) =>{ if (event.key === ‘Enter’){ document.addEventListener("keydown", keyDownEvents); //function to also close… Read More Can a user exit a contenteditable with a key?

Why when fading out list of materials each material fade out in another time and not all the materials fade at the same time?

using System.Collections; using System.Collections.Generic; using System.Linq; using UnityEngine; public class FadeInOut : MonoBehaviour { List<Material> mats = new List<Material>(); private void Start() { foreach (Transform g in transform.GetComponentsInChildren<Transform>()) { if (g.GetComponent<SkinnedMeshRenderer>() != null) { var l = g.GetComponent<SkinnedMeshRenderer>().sharedMaterials.ToList(); foreach(Material mat in l) { mats.Add(mat); } } } } private void Update() { if(Input.GetKeyDown(KeyCode.G)) { StartCoroutine(FadeTo(mats,… Read More Why when fading out list of materials each material fade out in another time and not all the materials fade at the same time?

Unity object reference not set to an instance of an object after SetActive false

I have a gameobject called Starting containing one Square and a legacy Text The square serves as a button with the text saying "Press Start Button". The user will press the start button (mapped to spacebar). This will set the Starting gameObject to inactive. The code is as follows: void Update() { if (Input.GetKeyDown(KeyCode.Space)) {… Read More Unity object reference not set to an instance of an object after SetActive false

Delphi VCL app, how to disable the default behavior of a KeyDown event?

While I was reading code, I found that in the KeyDown event you can set Key := 0; to stop processing the event any further. For example: TIncrementalForm.FormKeyDown is coded as: procedure TIncrementalForm.FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); begin if Key = VK_RETURN then begin Key := 0; // Stop processing by input window… Read More Delphi VCL app, how to disable the default behavior of a KeyDown event?