The main problem with Loop through class elements is that it can be slow and inefficient.
var elements = document.getElementsByClassName("class"); for (var i = 0; i < elements.length; i++) { console.log(elements[i].innerHTML); }
This code is getting all elements with the class “class” and printing their inner HTML to the console.
Calculator
Calculator is a library for performing mathematical operations in JavaScript. It provides a fluent API for common operations such as addition, subtraction, multiplication, and division.
Very Simple Calculator
A very simple calculator in JavaScript can be created as follows:
var calc = function(x) { return x * x; };
This code creates a function that takes an input of a number and returns the result of multiplying that number by itself.