js queryselector names

1// This selects the first element with that name
2document.querySelector('[name="your-selector-name-here"]');

1<div id="foo\bar"></div>
2<div id="foo:bar"></div>
3
4<script>
5  console.log('#foo\bar');               // "#fooar" (\b is the backspace control character)
6  document.querySelector('#foo\bar');    // Does not match anything
7
8  console.log('#foo\\bar');              // "#foo\bar"
9  console.log('#foo\\\\bar');            // "#foo\\bar"
10  document.querySelector('#foo\\\\bar'); // Match the first div
11
12  document.querySelector('#foo:bar');    // Does not match anything
13  document.querySelector('#foo\\:bar');  // Match the second div
14</script>