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<!DOCTYPE html> <html> <body> <h2>使用 XMLHttpRequest 获取文件的内容。</h2> <p>内容以 JSON 格式编写，可以轻松转换为 JavaScript 对象。</p> <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.name; } }; xmlhttp.open("GET", "json_demo.txt", true); xmlhttp.send(); </script> <p>Take a look at <a href="json_demo.txt" target="_blank">json_demo.txt</a></p> </body> </html>