Question:

Why highlighted table row using class not working in JavaScript?

If you're attempting to highlight a table row using a class in JavaScript and it's not working, there could be several reasons for this issue. Here are some common troubleshooting steps you can take:

Check Your CSS Styles:

Ensure that your CSS styles are correctly defined. Make sure that the class you're using to highlight the table row has the desired styles, such as background color or any other visual properties.

.highlighted-row {

background-color: yellow;

}

Verify the JavaScript Code:

Double-check your JavaScript code to ensure that you're correctly adding and removing the class. You can use the classList property to manipulate the classes of an element.

// Get the table row element (replace 'rowId' with the actual ID or other selector)

var row = document.getElementById('rowId');

// Add the 'highlighted-row' class

row.classList.add('highlighted-row');

// Remove the 'highlighted-row' class

// row.classList.remove('highlighted-row');

Reactivity is based on assignments, so if you use something like a Set that is modified via functions, you can just add a dummy assignment after the change to trigger updates wherever the set is being used:

function toggle(id: ObjectKey) {

if (selected.has(id)) {

selected.delete(id);

} else {

selected.add(id)

}

selected = selected; // <--

}

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