Jun 23, 2013 · You need to remove the parentheses so that the functions themselves get assigned as handlers: rectangleForm.onsubmit = rectangle; window.onload = init; Secondly, your area input has id="rectarea" but in your code you use document.getElementById("area") - you need to match these up.

Jan 19, 2013 · I was trying to make a rectangular shape, as per the value entered inside the input area. To be more specific, I have two fields: Width: Height: So, I wanted to pass the value of width and height to a function in JavaScript and make the rectangle as per values entered.

Jan 17, 2025 · It accepts length and width as inputs, calculates area and perimeter, and returns them in an object. The program uses example values (length = 10 and width = 5) to demonstrate calculations.

Oct 14, 2021 · Here is my original code where everything works, but I need to add a third function where the user inputs either "a" or "p" into the first input ("apBox"). Then it finds either the perimeter or area of the rectangle instead of doing both:

Jul 13, 2019 · In this tutorial we will create a Simple Area of Rectangle Solver using JavaScript. This code will automatically calculate the area of the rectangle when the user input the needed value in the form. This code use onclick function to initiate a formula that compute the problem in order to get the area of rectangle. This program is a user ...

Jul 31, 2023 · This Node.js program calculates the area of a rectangle based on user input for its width and height. This will prompt the user to enter the width and height of the rectangle. After the user provide valid positive numeric values for both width and height, it will calculate and display the area of the rectangle.

Dec 2, 2024 · To calculate the area of a rectangle in JavaScript, we will create a function that takes the length and breadth as parameters. We will use the 'prompt()' function to get user input for these values and then calculate the area by multiplying length and breadth.

Jan 2, 2025 · Write a JavaScript function to calculate the area of a rectangle whose length and breadth are passed to it as parameters. The length and breadth should be accepted from the user using prompt(). The area of the rectangle should be displayed in an alert message.

Write a javascript function that calculates the area and perimeter of a rectangle by given two sides. The input comes as 2 numbers that are the lengths of the 2 sides of the rectangle (sideA and sideB) Examples: The output should be printed to the console on two lines. The area of rectangle is: w*h. The perimeter of rectangle is: 2 * (w + h)

May 4, 2016 · A step-by-step tutorial with snippets on how to get the Area of the Rectangle using JavaScript for Beginners with working source code free download.