Answers for "element focus js"

set focus javascript

document.getElementById("ThingToSetFocusOn").focus();

focus element javascript

focusMethod = function getFocus() {
  document.getElementById("myTextField").focus();
}

focus js

<input type="text" id="myTextField" value="Text field.">
<p></p>
<button type="button" onclick="focusMethod()">Click me to focus on the text field!</button>