Saves the status of checkboxes to your local disk

checkbox_save.js

var i, checkboxes = document.querySelectorAll('input[type=checkbox]');

function save() {
    for (i = 0; i < checkboxes.length; i++) {
        localStorage.setItem(checkboxes[i].value, checkboxes[i].checked); 
    }
}

function load_() {
    for (i = 0; i < checkboxes.length; i++) {
        checkboxes[i].checked = localStorage.getItem(checkboxes[i].value) === 'true' ? true:false;
    }
} 

// View the Codepen here: http://codepen.io/GiacomoLaw/pen/evEZMQ