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p5.js TypedDict set() Method

  • Last Updated : 25 Nov, 2020

The set() method of p5.TypedDict in p5.js is used to add or modify the value at the given key of 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: 

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set( key, value )

Parameters: This method accepts two parameters as shown above and discussed below:

  • key: This is a number or string that denotes the key that has to be added to the dictionary.
  • value: This is a number or string that denotes the value that has to be added to the dictionary.

The example below illustrates the set() method in p5.js:



Example:

Javascript




function setup() {
  createCanvas(550, 300);
  textSize(16);
  
  // Create an empty dictionary
  let stringDict = 
      createStringDict({});
  text("New empty string dictionary created",
       20, 20);
  
  // Get the value at the given key
  let valOne = stringDict.get('Apple');
  text("The value at key 'Apple': " +
       valOne, 20, 60);
  
  // Add the given key to the dictionary
  // specifying the key and value
  stringDict.set('Apple', '$340 billion');
  
  text("New key 'Apple' added with " +
       "set() method", 20, 100)
  
  // Get the value at the given key
  valOne = stringDict.get('Apple');
  text("The value at key 'Apple': " +
       valOne, 20, 140);
  
  // Change the value of an already set key
  stringDict.set('Apple', '$352 billion');
  
  text("Value at key 'Apple' modified using " +
       "the set() method", 20, 180)
  
  // Get the value at the given key
  valOne = stringDict.get('Apple');
  text("The value at key 'Apple': " +
       valOne, 20, 220);
}

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/set




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