HTML input placeholder Attribute
https://www.w3schools.com/tags/att_input_placeholder.asp
The placeholder attribute specifies a short hint that describes the expected value of an input field (e.g. a sample value or a short description of the expected format).
Placeholder - Wikipedia
https://en.wikipedia.org/wiki/Placeholder
Placeholder may refer to: Placeholder name, a term or terms referring to something or somebody whose name is not known or, in that particular context, is not significant or relevant. Filler text, text generated to fill space or provide unremarkable and/or standardised text.
html - How do I make a placeholder for a 'select' box? - Stack Overflow
https://stackoverflow.com/questions/5805059/how-do-i-make-a-placeholder-for-a-select-box
Connect and share knowledge within a single location that is structured and easy to search. Learn more. How do I make a placeholder for a 'select' box?
placeholder | CSS-Tricks
https://css-tricks.com/almanac/selectors/p/placeholder/
The ::placeholder pseudo element (or a pseudo class, in some cases, depending on the browser :placeholder-shown can still affect the styling of the placeholder text, since it's a parent element (e.g...
Placeholder.com: Placeholder.com - The Free Image Placeholder...
https://placeholder.com/
Placeholder.com generates custom placeholder images on the fly, like these examples:- Contents. 1 What Is Placeholder.com? 2 How To Use Our Placeholders. 3 How To Set Image Size.
How to Create a Placeholder for an HTML5 <select> Box
https://www.w3docs.com/snippets/css/how-to-create-a-placeholder-for-an-html5-select-box-by-using-only-html-and-css.html
Learn how to make a placeholder for a select box. Use only 3 HTML attributes or CSS :invalid pseudo-class and the display property set to none.