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<html><body><p>Click the button to create an INPUT field, a DATALIST element and an OPTION element.</p><form id="myForm"></form><button onclick="myFunction()">Try it</button><script>function myFunction() { var x = document.createElement("INPUT"); x.setAttribute("list", "browsers"); document.getElementById("myForm").appendChild(x); var y = document.createElement("DATALIST"); y.setAttribute("id", "browsers"); document.getElementById("myForm").appendChild(y); var z = document.createElement("OPTION"); z.setAttribute("value", "Chrome"); document.getElementById("browsers").appendChild(z);}</script></body></html>