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CodePrimer

Search a living directory of web syntax. Pick a problem, copy a working sample, then adapt it.

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Tags basics 48 php 45 javascript 24 html 23 css 18 dom 18 forms 16 database 14 layout 8 sql 7 events 6 arrays 6 pdo 6 http 5 control-flow 5 a11y 5 security 4 responsive 3 components 3 media 3 flexbox 3 functions 2 auth 2 selectors 2

10 snippets

HTML Beginner

HTML headings h1–h6

How do I create page headings?

Basics html basics
HTML Beginner

Paragraphs and line breaks

How do I break text into paragraphs?

Basics html basics
HTML Beginner

Hyperlinks with href

How do I make a clickable link?

Basics html basics navigation
HTML Beginner

Ordered and unordered lists

How do I make bullet or numbered lists?

Basics html basics
HTML Beginner

HTML table structure

How do I display tabular data?

Basics html basics tables
HTML Beginner

Charset and viewport meta

Why does mobile layout look wrong?

Basics html basics responsive
HTML Beginner

Link an external CSS file

How do I attach a stylesheet?

Basics html basics css
HTML Beginner

Include JS with defer

How do I add JavaScript to a page?

Basics html basics javascript
HTML Beginner

div vs span

When do I use div or span?

Basics html basics
HTML Beginner

Internal CSS with style tag

How do I put CSS inside the HTML file?

Basics html basics css

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