p5.js TypedDict size() Method
The size() method of p5.TypedDict in p5.js is used to get the current size of the dictionary. The size represents the number of key-value pairs currently present in the 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:
size()
Parameters: This method does not accept any parameters.
The example below illustrates the size() method in p5.js:
Example:
Javascript
let tmp = 1; function setup() { createCanvas(550, 500); textSize(16); text( "Click the button to add a new entry " + "or check the size of the dictionary" , 20, 20); addBtn = createButton( "Add a new entry" ); addBtn.position(30, 40); addBtn.mouseClicked(addEntry); checkBtn = createButton( "Check size of dictionary" ); checkBtn.position(30, 80); checkBtn.mouseClicked(checkSize); // Create a string dictionary with one entry numDict = createStringDict( 'k0' , 'v0' ); } function addEntry() { // Add a new entry to the dictionary numDict.create( "k" + tmp, "v" + tmp); text( "New Entry added to the dictionary" , 20, 120 + tmp * 20); tmp++; } function checkSize() { // Get the current size of the dictionary let currSize = numDict.size(); // Display the current size text( "The current size of the dictionary is: " + currSize, 20, 120 + tmp * 20); tmp++; } |
Output:
Online editor: https://editor.p5js.org/
Environment Setup: https://www.w3wiki.net/p5-js-soundfile-object-installation-and-methods/
Reference: https://p5js.org/reference/#/p5.TypedDict/size
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