What are content scripts? // TRAIN BRAIN

What are content scripts?

Learn about content scripts in Chrome Extensions, including how to register CSS and JavaScript to run on a particular page.
Chapters:
00:00 - Intro
00:44 - Registering a content script
01:46 - APIs available in content scripts
02:27 - When content scripts are injected
03:44 - Injecting into frames
04:30 - Content-Security-Policy and CORS
05:51 - Isolated worlds
07:20 - Security
09:00 - Performance
09:58 - Conclusion
Resources:
Learn more in our documentation → https://goo.gle/46KXxAk
Watch more Chrome Extensions → https://goo.gle/Chrome-Ext
Subscribe to Chrome for Developers → https://goo.gle/ChromeDevs
#ChromeForDevelopers #Chrome
Speaker: Oliver Dunk

Chrome for Developers

Making the web more awesome....

An experience for user choice with third-party cookies

What is a Remote Hosted Code?

Test your site for third-party cookie breakages

Elevate UX with the Screen Wake Lock API

New in Chrome 130: Document Picture-in-Picture, CSS nesting improvements, and more!

Customize performance data in DevTools with extensibility API #DevToolsTips

Chrome shifts to user choice for third-party cookies

Special episode on the June meeting of the WebAssembly Community Group - WasmAssembly

Time to check your site for third-party cookies

Third-party cookies and the era of user choice

Build a custom chrome cursor

Intro to Long Animation Frames (LoAFs)

Subgrid: Stress-free, flexible grid layouts

Looking back on Season 5

Real-time metrics in the Performance panel #DevToolsTips

An introduction to WebAssembly

091: Season 5 wrap-up

Interactive pop-ups using dialog element and popover attribute

Visit scroll-driven-animations.style

Animate intrinsic sized elements with interpolate-size

Real-time metrics in the Performance panel

Exploring the Bytecode Alliance with Cosmonic's Hailey Bayes - WasmAssembly

090: Scroll-driven animations

Anchoring experiences

What are view transitions?

Yield long tasks with scheduler.yield()

Built-in AI: Gemini Nano in Chrome

089: View transitions

State queries in CSS

What’s new in DevTools: Chrome 127-129

New in Chrome 129: Yield long tasks, animate intrinsic sized elements, and more!

088: State queries

Simulate low storage quota with DevTools #DevToolsTips

Over-Easy Anchor + Popover Mini Web Machine

Promise.try

Caching demystified: Inspect, clear, and disable caches #DevToolsTips

Distinguishing the anchor from the positioned element

Line-breaks for the ruby element

A promising feature: JavaScript Promise Integration with Francis McCabe - WasmAssembly

087: Anchor positioning

Learn how to transition dialog elements with the Pop n’ Lock Mini Web Machine

New in Chrome 128: line-breaks for the ruby element, Promise.try, and more

What are content scripts?

Top 10 web updates from Google I/O ‘24

Say goodbye to the & symbol for nesting bare HTML elements

Create bounce and spring effects with linear()

String built-ins with Mozilla's Ryan Hunt - WasmAssembly

085: Linear easing function fun

How to inspect disappearing elements

How to add a custom cursor to Chrome

Pop n' Lock Dialog Mini Web Machine

CSS font-size-adjust

Freeze screen & inspect disappearing elements #DevToolsTips

New in Chrome 127: cross-document view transitions, CloseWatcher API re-enabled, and more

Testing best practices for web apps

Professional text wrapping with one line of CSS

084: Text Wrap

Save time with the has() selector

083: :has() tips and tricks

The updates to color in CSS

What is a Remote Hosted Code?

082: What's new in color & color functions

What’s new in DevTools: Chrome 124-126

Math functions in CSS

Gamepad API trigger-rumble extension

The WASI Revolution: Luke Wagner on WebAssembly's Past, Present, and Future

081: Trigonometric Functions

Animating dialogs and popovers to and from top-layer

View Transitions API

080: Animating to and from top-layer

What is Chrome?

Dialog over a popover #CSSPodcast

New in Chrome 126: Cross-document view transitions, CloseWatcher API re-enabled and more

079: Popover and Dialog

Test UI changes with overrides in Chrome DevTools

3 new ways to customize the DevTools Performance panel (Part 2)

3 new ways to customize the DevTools Performance panel (Part 3)

3 new ways to customize the DevTools Performance panel (Part 1)

What’s the Looper-Pile Mini Web Machine?

Chrome user, Chrome profile, Chrome client