JSFiddle - React, Tailwind, and code Playground
HTML
<script>
function get()
{
alert("HI");
}
</script>JavaScript
var dfom = document.createElement('div');
dfom.setAttribute("id","options");
console.log(get);
dfom.innerHTML = "<input type=\"button\" value=\"Say HI\" onclick=\"get()\" />";
dfom.style.padding = '10px';
document.body.insertBefore(dfom, document.body.firstChild);