Color input type

Form field allowing the user to select a color.

Date and time input types

Form field widgets to easily allow users to enter a date, time or both, generally by using a calendar/time input widget. Refers to supporting the following input types: `date`, `time`, `datetime-local`, `month` & `week`.

Email, telephone & URL input types

Text input fields intended for email addresses, telephone numbers or URLs. Particularly useful in combination with [form validation](https://caniuse.com/#feat=form-validation)

Number input type

Form field type for numbers.

Range input type

Form field type that allows the user to select a value using a slider widget.

Search input type

Search field form input type. Intended to look like the underlying platform's native search field widget (if there is one). Other than its appearance, it's the same as an `<input type="text">`.

Link type "noreferrer"

Links with `rel="noreferrer"` set do not send the request's "referrer" header. This prevents the destination site from seeing what URL the user came from.

Trusted Types for DOM manipulation

An API that forces developers to be very explicit about their use of powerful DOM-injection APIs. Can greatly improve security against XSS attacks.

Typed Arrays

JavaScript typed arrays provide a mechanism for accessing raw binary data much more efficiently. Includes: `Int8Array`, `Uint8Array`, `Uint8ClampedArray`, `Int16Array`, `Uint16Array`, `Int32Array`, `Uint32Array`, `Float32Array` & `Float64Array`

WebAssembly Reference Types

An extension to WebAssembly allowing opaque references as first-class types, and multiple tables

types: `abs()`

types: `acos()`

types: `<angle>`

types: `asin()`

types: `atan()`

types: `atan2()`

types: `attr()`

types: `clamp()`

types: <color>

types: `cos()`

types: `counter()`

types: `counters()`

types: <dimension>

types: `exp()`

types: `<flex>`

types: `hypot()`

types: `<image>`

types: `<integer>`

types: `<length>`

types: line-style

types: `log()`

types: `max()`

types: `min()`

types: `mod()`

types: <number>

types: overflow

types: `pow()`

types: <ratio>

types: `ray()`

types: `rem()`

types: `round()`

types: `<shape>`

types: `sign()`

types: `sin()`

types: `sqrt()`

types: <string>

types: `tan()`

types: <time>

types: `<url>`

typescript