Javascript and HTML Catch Throw error returned

Question

Using a website called JS Bin (https://jsbin.com) i am trying to code a quadratic formula solver and when i run my code it returns this:

<script>try {function solve(a, b, c) { 
var result = (-1 * b + Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 
var result2 = (-1 * b - Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 
return result + "<br>" + result2;
} catch (error) { throw error; }

here is the HTML:

<form> <input type="number" placeholder="A"> 
 <input type="number" placeholder="B">
 <input type="number" placeholder="C">
 <textarea rows="10" cols="60" placeholder="Your Output">

and here is the Javascript:

function solve(a, b, c) { 
var result = (-1 * b + Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 
var result2 = (-1 * b - Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 
return result + "<br>" + result2;

I tried to find an answer online but i did not find anything helpful, can anyone help me with this? i want the code to just produce the output of the javascript into the textarea.

Questions seeking debugging help ("why isn't this code working?") must include the desired behavior, a specific problem or error and the shortest code necessary to reproduce it in the question itself. Questions without a clear problem statement are not useful to other readers. See: How to create a Minimal, Complete, and Verifiable example (stackoverflow.com/help/mcve) — Alberto
– Alberto, Commented Oct 30, 2018 at 15:39

André DS · Accepted Answer · 2018-10-30 19:32:43Z

1

You should just close your <textarea> tag using </textarea>. Also, don't forget to close your solve function declaration with a curly bracket } at the end :

function solve(a, b, c) { 

var result = (-1 * b + Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 

var result2 = (-1 * b - Math.sqrt(Math.pow(b, 2) - (4 * a * c))) / (2 * a); 

return result + "<br>" + result2; 
}

<form> <input type="number" placeholder="A"> 
 <input type="number" placeholder="B">
 <input type="number" placeholder="C">
 <textarea rows="10" cols="60" placeholder="Your Output"></textarea>
 </form>

answered Oct 30, 2018 at 19:32

André DS

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