Obsolete Web ·  

A library that detects browser compatibility and prompts website users to upgrade it.

Getting Started

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#### Via NPM

``sh
$ npm i -D obsolete-web
`

#### Via CDN

`html




`

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`js
new Obsolete().test(['ie 10', 'chrome 23'])
`

API

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#### Syntax

> new Obsolete([options])

#### Parameters

- options
- options.template type: string The prompt html template injected to the bottom of body. The default value is:
`js
'

'
`
- options.position type: string default: 'afterbegin' If set 'afterbegin', the template will be injected into the start of body. If set 'beforeend', the template will be injected into the end of body.
- options.promptOnNonTargetBrowser type: boolean default: false If the current browser useragent doesn't match one of the target browsers, it's considered as unsupported. Thus, the prompt will be shown. E.g, your browserslist configuration is ie > 8, by default, the prompt won't be shown on Chrome or Safari browser.
- options.promptOnUnknownBrowser type: boolean default: true If the current browser useragent is unknown, the prompt will be shown.

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#### Syntax

> test(browsers, done)

Test browser compatibility.

#### Parameters

- browsers {string[]} Browser names in Can I Use.
- done {function} Callback when the template is injected in finish.

#### Returns

{boolean}`