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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

4 snippets

JavaScript Beginner

innerHTML vs textContent

How do I change an element’s text?

Dom javascript dom security
PHP Beginner

PHP comparison operators

What is == vs === in PHP?

Basics basics php security
PHP Intermediate

Sanitize and validate input

How do I protect against XSS and bad emails?

Security forms php security
PHP Intermediate

Hash passwords with password_hash

How should I store passwords?

Auth php security auth

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