what is | in javascript code example

Example 1: || in js

const a = 3;
const b = -2;

console.log(a > 0 || b > 0);
// expected output: true

Example 2: less than equal to in javascript

| <= | less than or equal to |	x <= 8 | true |

Example 3: javascript ... operator

//The operator ... is part of the array destructuring.
//It's used to extract info from arrays to single variables.
//The operator ... means "the rest of the array".
var [head, ...tail] = ["Hello", "I" , "am", "Sarah"];
console.log(head);//"Hello"
console.log(tail);//["I", "am", "Sarah"]

//It can be used to pass an array as a list of function arguments
let a = [2,3,4];
Math.max(a) //--> NaN
Math.max(...a) //--> 4

Example 4: what is javascript

JavaScript gives web pages interactive elements that engage a user.

Example 5: what is javascript

javascript is a programming language by javascript you can make websites, apps etc..