My current goal is to utilize the ResizeObserver Polyfill specifically for Edge browsers. I noticed the concept of ponyfill in the npm package documentation. Would I need to develop my own ponyfill, or is there an alternative approach that could be considered?
A simple way to achieve this is by checking the user's browser.
Begin by installing the required package on your system. Once the page has successfully loaded, you can detect the browser using the following code:
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari 3.0+ "[object HTMLElementConstructor]"
var isSafari = /constructor/i.test(window.HTMLElement) || (function (p) { return p.toString() === "[object SafariRemoteNotification]"; })(!window['safari'] || (typeof safari !== 'undefined' && safari.pushNotification));
// Internet Explorer 6-11
var isIE = /*@cc_on!@*/false || !!document.documentMode;
// Edge 20+
var isEdge = !isIE && !!window.StyleMedia;
// Chrome 1 - 71
var isChrome = !!window.chrome && (!!window.chrome.webstore || !!window.chrome.runtime);
// Blink engine detection
var isBlink = (isChrome || isOpera) && !!window.CSS;
var output = 'Checking browsers through duck typing:<hr>';
output += 'isFirefox: ' + isFirefox + '<br>';
output += 'isChrome: ' + isChrome + '<br>';
output += 'isSafari: ' + isSafari + '<br>';
output += 'isOpera: ' + isOpera + '<br>';
output += 'isIE: ' + isIE + '<br>';
output += 'isEdge: ' + isEdge + '<br>';
output += 'isBlink: ' + isBlink + '<br>';
document.body.innerHTML = output;Once isEdge returns true, the module can be loaded and utilized accordingly.
For more information, visit: How to identify different web browsers?
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