18. Funcion JS para generar SLUG automaticamente

Función js para generar slug automaticamente:

window.string_to_slug = function(str, querySelector){
    str = str.replace(/^\s+|\s+$/g, '');
    str = str.toLowerCase();
    var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
    var to = "aaaaeeeeiiiioooouuuunc------";
    for (var i = 0, l = from.length; i < l; i++) {
        str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
    }
    str = str.replace(/[^a-z0-9 -]/g, '')
        .replace(/\s+/g, '-')
        .replace(/-+/g, '-');
   
    /* document.getElementById(id).value = str; */
    document.querySelector(querySelector).value = str;
}