Getting multiple selected checkbox values in a string in javascript and PHP

Question

I have location name and location Id in database table. Using foreach loop i\'m printing the values in checkbox in PHP. I have a submit button which triggers a javascript. I

Answer 1

This is a variation to get all checked checkboxes in all_location_id without using an "if" statement

var all_location_id = document.querySelectorAll('input[name="location[]"]:checked');

var aIds = [];

for(var x = 0, l = all_location_id.length; x < l;  x++)
{
    aIds.push(all_location_id[x].value);
}

var str = aIds.join(', ');

console.log(str);