smoked

function load() {
    $.post("engine/loadC.php", {fileName : "key.txt"}, function(data) {        
            key = JSON.parse(data);
            aftercode();
    });
}
function process() {
    load(); 
   
}

function aftercode() {
    alert(window.key);
    /* последующий код */
}

function mb_str_split($string) {
    $length = mb_strlen($string, "utf-8");

    $i = 0;
    $arr = array();
    while ($i < $length) {
        $rep = mb_substr($string,$i,1,"utf-8");
        array_splice($arr, $i, 1, $rep);
        $i++;
    }

    return $arr;
}


function transcode($string) {
    $string = mb_str_split($string);
     
    $string = array_map(function($a) {
        $result = unpack('N', mb_convert_encoding($a, 'UCS-4BE', 'UTF-8'));

        if (is_array($result) === true) {
            return $result[1];
        }
    }, $string);

    return implode("", $string);  
}
        
$string = "аАБВГДЕЁЖЗ";
echo transcode($string);

var products = [
    {"id": "1", "name": "Имя1"},
    {"id": "2", "name": "Имя2"},
    {"id": "3", "name": "Имя3"}
];
     
var html = '<table>';
var cnt  = 0;     
for(var i in products) {
    if(cnt == 0) {
        html += '<tr>';
    }
    html += '<td>'+products[i]['id']+'</td>' + '<td>'+products[i]['name']+'</td>';
    cnt++;
    if(cnt == 2) {
        cnt = 0;
        html += '</tr>';
    }
} 
if(cnt != 0) {
    html += '<td></td><td></td></tr>';
}
html +='</table>';