How can I use JavaScript to collapse a node list from Bootstrap 4.6.x using the .collapse('show') method?

I'm currently attempting to implement the Bootstrap method .collapse('show') on a node list of elements, but I've run into an issue in the console.log that reads: (Uncaught TypeError: findEl[i].collapse is not a function).

Because I am working with a node list, I have tried using a loop to iterate over them, however, it doesn't seem to be the correct approach.

let findEl = document.querySelectorAll('.someClass');
            let i;
            for (i = 0; i < findEl.length; i++) {
                findEl[i].collapse('show');
            }

What would be the most effective way to correctly apply the bootstrap method?

javascriptloopsbootstrap-4

Answer №1

Since Bootstrap utilizes JQuery, it is necessary to instantiate those elements as a JQuery Object

let searchElement = $('.someClass');
            let j;
            for (j= 0; j < searchElement.length; j++) {
                $(searchElement[j]).collapse('show');
            }

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