# safeAreaInsets Use javascript to get the safe area insets. Chinese documentation : [中文文档](https://github.com/zhetengbiji/safeAreaInsets/blob/master/README-CH.md) ## Precondition * WKWebview * viewport-fit=cover ## Install ### NPM ``` npm install safe-area-insets --save ``` ### UMD ```http https://unpkg.com/safe-area-insets/out/umd/index.min.js ``` ## Use ### Require ```js const safeAreaInsets = require('safe-area-insets') ``` ### Safe Area Info ```js console.log('safeAreaInsets.support', safeAreaInsets.support) console.log('safe-area-inset-top', safeAreaInsets.top) console.log('safe-area-inset-left', safeAreaInsets.left) console.log('safe-area-inset-right', safeAreaInsets.right) console.log('safe-area-inset-bottom', safeAreaInsets.bottom) ``` ### Listening Change Event ```js function callback(style){ console.log(style) } // add safeAreaInsets.onChange(callback) // remove safeAreaInsets.offChange(callback) ``` ## Related Reading >[Designing Websites for iPhone X](https://webkit.org/blog/7929/designing-websites-for-iphone-x/)