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If I understand correctly, you want the checkbox checked for each entry in menu
whose id
appears as a menu_id
in grupMenu
.
So write a method like this:
isInGrupMenu(id) {
return this.grupMenu.some((item) => item.id_menu === id);
}
and bind it to the checked
attribute of each checkbox:
<input type="checkbox" :checked="isInGrupMenu(menu.id)">
Source:stackexchange.com