how to capitalize first letter in css code example

Example 1: css capitalize first letter

&::first-letter {
  text-transform: capitalize;
}

Example 2: How do you make each word in a text start with a capital letter?

h1 {
  text-transform: capitalize;
}

Example 3: css all uppercase to capitalize

.link {
  text-transform: lowercase;
 
}

.link::first-line {
  text-transform: capitalize;
}

Example 4: make first letter uppercase

const publication = "freeCodeCamp";
publication[0].toUpperCase() + publication.substring(1);