​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>从 PHP 文件获取 JSON 数据，并把它转换为 JavaScript 数组</h1>
​
<p id="demo"></p>
​
<script>
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
  if (this.readyState == 4 && this.status == 200) {
    var myObj = JSON.parse(this.responseText);
    document.getElementById("demo").innerHTML = myObj[2];
  }
};
xmlhttp.open("GET", "/demo/demo_php_json_encode_array.php", true);
xmlhttp.send();
</script>
​
</body>
</html>
​