1<!DOCTYPE html>
2<script>
3    function textFieldContainsSpace()
4    {
5        return document.querySelector("input").value === " ";
6    }
7
8    function blurTextField()
9    {
10        document.querySelector("input").blur();
11    }
12
13    function isDocumentScrolled()
14    {
15        return scrollY !== 0;
16    }
17
18    function loaded()
19    {
20        document.querySelector("input").focus();
21    }
22
23    addEventListener("load", loaded);
24</script>
25<input>
26<div style="height: 3000px;"></div>
27