ECMAScript is the standard that defines the syntax and semantics of the JavaScript programming language. JavaScript is a programming language that is based on the ECMAScript standard. In other words, JavaScript is an implementation of the ECMAScript standard. The latest version of ECMAScript is ES11 (ES2022) and the latest version of JavaScript is ES11.

Example of ECMAScript and JavaScript

Here is an example of JavaScript code that uses some features from the ECMAScript standard:

let x = 5;
let y = 10;
let sum = (x, y) => x + y;
console.log(sum(x, y)); // Output: 15
const myArray = [1, 2, 3, 4, 5];
for (let num of myArray) {
  console.log(num);
}

This code defines two variables ‘x’ and ‘y’, assigns them values, and then defines a arrow function sum which takes two arguments and returns their ‘sum’. Then it call the function and print the result. Then it defines an array and uses the ‘for-of’ loop to iterate over the array and print each element.

ECMAScript is the standard that defines the syntax and semantics of the JavaScript programming language. In this example, the syntax and semantics of the arrow function, the ‘let’ keyword, and the ‘for-of’ loop are all defined by the ECMAScript standard.

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