The clear() method of p5.TypedDict in p5.js is used to remove all the key-value pairs in the typed dictionary. A key-value pair is a set of two values that are mapped to each other. These values can be accessed by querying this dictionary using the key portion of the pair. A typed dictionary can store multiple key-value pairs that can be accessed using the methods of the dictionary.
Syntax:
clear()
Parameters: This method does not accept any parameters.
The example below illustrates the clear() method in p5.js:
Example:
Javascript
function setup() { createCanvas(550, 500); textSize(16); let tmpObj = { "Statue of Unity": "182 m", "Spring Temple Buddha": "128 m", "Ushiku Daibutsu": "100 m", "Great Buddha of Thailand": "92m" }; // Create a new dictionary let stringDict = createStringDict(tmpObj); text("New string dictionary created " + "with four keys", 20, 40); // Check for a key let existOne = stringDict.hasKey('Spring Temple Buddha'); text("Dictionary has key " + "'Spring Temple Buddha': " + existOne, 20, 80); // Check the current size let currSize = stringDict.size(); text("Current size of the dictionary: " + currSize, 20, 100); // Clear the dictionary stringDict.clear(); text("Dictionary has been cleared!", 20, 140); // Check for a key again existOne = stringDict.hasKey('Spring Temple Buddha'); text("Dictionary has key " + "'Spring Temple Buddha': " + existOne, 20, 180); // Check the current size again currSize = stringDict.size(); text("Current size of the dictionary: " + currSize, 20, 200); } |
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.TypedDict/clear
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