p5.js removeElements() Function

The removeElements() function is used to remove all the elements currently present that are created by p5, except those that are created using the createCanvas() function or createGraphics() function. The elements are removed from the DOM along with their event handlers.

Syntax:

removeElements()

Parameters: This function doesn’t accept any parameter.

Below example illustrates the removeElements() function in p5.js:

Example:

function setup() {
  createCanvas(600, 300);
  textSize(26);
  fill("green")
  text("Click the mouse button to create elements", 10, 20);
  text("Click on the button below to remove all elements", 10, 50);

  // button to remove elements
  removeBtn = createButton('Remove All');
  removeBtn.position(20, 80);
  removeBtn.mousePressed(removeAll);
}

function mouseClicked() {
  // create element at mouse position
  createDiv('element').position(mouseX, mouseY);
}

function removeAll() {

  // remove all elements
  removeElements();
}

Output:

Online editor: https://editor.p5js.org/
Environment Setup: https://www.geeksforgeeks.org/p5-js-soundfile-object-installation-and-methods/

Reference: https://p5js.org/reference/#/p5/removeElements