⊕ This is the link to the W3C's HTML validator:
https://validator.w3.org/nu/
⊕ This CSS draws a single-line border around a table, and draws horizontal lines between rows, and shades the column headings:
... Some HTML ...
<div id = 'target'></div>
<script>
fetch('/misc/fragment.html')
.then(response => response.text() )
.then(data =>
{
document.getElementById('target').innerHTML = data;
});
</script>
... Some more HTML ...
Notes:
1. The div id 'target' and the file name 'fragment' (/misc/fragment.html) clearly do not have to be the same
⊕ Some confusable HTML entities:
⊕ Some useful HTML entities: