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<html><body><h2>Fetch a JSON file with XMLHttpRequest</h2><p>Content written as an JSON array will be converted into a JavaScript array.</p><p id="demo"></p><script>const xmlhttp = new XMLHttpRequest();xmlhttp.onload = function() { const myArr = JSON.parse(this.responseText); document.getElementById("demo").innerHTML = myArr[0];}xmlhttp.open("GET", "json_demo_array.txt", true);xmlhttp.send();</script></body></html>