Would this be a solution? – JavaScript – SitePoint Forums

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I want to know if a slot in a rack is occupied.
I have a 40 slot rack.

This rack has a few slots being used.

If I try and place a device on a slot being used, I want the form NOT t be submitted and sent to a div called collision, but if no collision is found., allow the form to be submitted…

<form… onSubmit=”detectCollision(frontAssets)”>


// just have the function return true or false
function detectCollision(assets = []) {
const selectValue = document.getElementById(‘Beginning_ru’).value;

return assets.some((asset) => selectValue > asset[‘beginning_ru’])

if (detectCollision(frontAssets)) {


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About the Author: V. Moss