Introduction to ASCII Table

The ASCII table is a fundamental tool for developers, containing 128 unique character codes each mapping to a specific symbol, letter, or control character. Knowing how to utilize the ASCII table can considerably ease tasks like data parsing, character encoding, or manipulating text-based data. Today, we will delve into the ASCII table and showcase its multitude of powerful API endpoints with practical code examples to enhance your projects.

Commonly Used ASCII Table APIs

1. Convert Character to ASCII Code

  function charToAscii(character) {
    return character.charCodeAt(0);
} console.log(charToAscii('A')); // 65  

2. Convert ASCII Code to Character

  function asciiToChar(ascii) {
    return String.fromCharCode(ascii);
} console.log(asciiToChar(65)); // 'A'  

3. Check if Character is a Number

  function isNumber(character) {
    let ascii = charToAscii(character);
    return ascii >= 48 && ascii <= 57;
} console.log(isNumber('5')); // true console.log(isNumber('A')); // false  

4. Check if Character is a Letter

  function isLetter(character) {
    let ascii = charToAscii(character);
    return (ascii >= 65 && ascii <= 90) || (ascii >= 97 && ascii <= 122);
} console.log(isLetter('A')); // true console.log(isLetter('1')); // false  

5. Convert Text to ASCII Array

  function textToAsciiArray(text) {
    return text.split('').map(charToAscii);
} console.log(textToAsciiArray('Hello')); // [72, 101, 108, 108, 111]  

Application Example Using ASCII Table APIs

This is an example of an application that takes an input string, processes it, and outputs both individual ASCII codes and their characters.

  function processText(input) {
    let asciiCodes = textToAsciiArray(input);
    let characters = asciiCodes.map(asciiToChar);

    console.log('ASCII Codes:', asciiCodes);
    console.log('Characters:', characters);
}
processText('Hello World'); /* Output: ASCII Codes: [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100] Characters: ['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'] */  

By utilizing these ASCII Table APIs, developers can execute a variety of operations on text-based data with minimal effort and high efficiency. Always keep this guide handy for handy reference during your coding adventures!

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