Basic Mathematical Operation

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1

Hi Everyone,

I’m having a hard time with basic mathematical operations. Even though its basic, when executing the code, its not working. Am i missing something? I am just new to this platform.

export function i18_change(event,$w) {
let ii18 = Number($w(‘#i18’).value);
let ii19 = Number($w(‘#i19’).value);
let iitotal = String(Number(ii18)+Number(ii19));

$w(‘#text13’).text=String(iitotal);
}

The total number is not displaying in text13

Thank you in advance

2

In JavaScript, you don’t cast items the way you do in Java, which it looks like you’re used to above.

First up, make sure your input field is actually a number field. If not, you can convert to a number either using the way you did, or better yet using parseInt() or parseFloat (if they are decimal places).

Then you don’t add numbers the way you included above. So a reworking of your code would look like:

export function i18_change(event,$w) {
let ii18 = parseInt($w(‘#i18’).value,10);
let ii19 = parseInt($w(‘#i19’).value,10);
let iitotal = ii18+ii19;

$w(‘#text13’).text=iitotal.toString(); // or simply ""+iitotal;
}
3

Change this to let iitotal = ii18 + ii19;

Leave everything else the same. See if that solves your problem.