// Create the element
var script = document.createElement("script");
// Add script content
script.innerHTML = "...";
// Append
document.head.appendChild(script);
Or
document.body.appendChild(script);
// Create the element
var script = document.createElement("script");
// Add script content
script.innerHTML = "...";
// Append
document.head.appendChild(script);
Or
document.body.appendChild(script);