@nionta Maybe this code will help to your problem.
branchObj.forEach(function(element) {
var isChecked = '';
if(arr.includes(element.program_id)) {
isChecked = 'checked';
}
var html = '<tr>';
html += '<td>';
html += '<input type="checkbox" name="program_multi_id[]" value="'+element.program_id+'" '+isChecked+'>';
html += '</td>';
html += '</tr>';
});