Which one of these are client side programming languages?

The correct answer is None. The following are the reasons

• HTML is a markup language
• PHP is a server-side language.
• CSS is a style sheet language.

None. cos, javascript is a client-side programming language while PHP is for server-side programming language.

HTML stands for HyperText Markup Language. Whereas CSS stands for Cascading Style Sheets. HTML and CSS are not scripting languages at all. There is no executable codes in HTML and CSS. PHP is server side scripting language. So None is the answer.

• HTML is the standard markup language for web pages. The elements in HTML are building blocks of HTML. So option 1 is not the correct answer.
• CSS(Cascading Style Sheets) describes how HTML elements are to be displayed on the screen. CSS is used to define styles for webpages including layout, design. Its a language for describing the presentation of web pages. So Option 2 is not the correct answer.
• PHP is a server-side scripting language used to create dynamic and interactive webpages. So Option 3 is not a correct answer.
• Options 1, 2, and 3 are incorrect. Option 4 None is the correct answer.