Wezom Toggler plugin

Markup -

<div class="js-init" data-toggler="" data-ns="namespace-A">Trigger</div>
<div data-dropdown-target="" data-ns="namespace-A">Target</div>

If you click on trigger - the toggleClass will toggle on target

Scripts -

// initial Options
initialOptions = {
    mainSelector: '[data-toggler]',
    targetSelector: '[data-toggler-target]',
    toggleClass: 'is-active',
    toggleOnBlur: false,
    action: 'toggle',
    eventsNamespace: 'wToggler'
}

//init example
let $triggers = $('.js-init[data-toggler]');
$triggers.each((i, trigger) => {
    Toggler.init(trigger, {
        toggleOnBlur:false
    });
});

//custom init example (dropdown)
Toggler.init($('.js-init[data-dropdown]'), {
    mainSelector: '[data-dropdown]',
    targetSelector: '[data-dropdown-target]',
    toggleClass: 'is-open',
    toggleOnBlur: true,
    action: 'toggle',
    eventsNamespace: 'wDropdown'
});