Making a simple HTML calculator issue in Javascript

Question

I am learning Javascript and I am trying to make a simple HTML calculator where 2 prompts appear asking for numbers to add. Anytime I execute I get just the 2 numbers added together like 2 + 2 = 22, I did something wrong because I would want the response to be the right answer. Thanks so much!

'use strict';

let txt = prompt('Please enter your calculation');
let cal = prompt('And the other one');

let orange = txt; let apple = cal;

alert(orange + apple);

You need to convert into integer or float as they are strings — Anupam Haldkar
– Anupam Haldkar, Commented May 8, 2020 at 10:13

Argee · Accepted Answer · 2020-05-08 10:11:36Z

2

Your prompt inputs (txt and cal) are strings... you need to parse them to integers

let txt = prompt('Please enter your calculation');
let cal = prompt('And the other one');
let orange = parseInt(txt); let apple = parseInt(cal);

alert(orange + apple);

if you also want to add floats, use parseFloat() instead of parseInt()

answered May 8, 2020 at 10:11

Argee

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