JS communicates with PHP via JSON data

This article mainly introduces the JS and PHP through the JSON data to communicate the specific implementation, the need for friends can refer to the

JS and PHP using JSON data to communicate examples: PHP file code is as follows: <?php echo json_encode (Array (' Liaotiantiao ' => $liaotiantiao, '  Liaotiank ' => $liaotiank, ' Chatuserid ' => $chatuserid, ' Chattouserid ' => $chattouserid));   The?> HTML file code is as follows: $ (document). Ready (function () {//default bar Chat bar status $.post ('/index.php/chat/morenltt ', {},function (val) {  var obj=eval (Val);  alert (Obj[0].chatuserid);  }); });