In reply to this conservation: Find it a little sad some of the browser APIs are introduced in such an incomplete state the only way to use them is in try/catch blocks 9 years ago – Glenn Jones on twitter @glennjones are these implementation issues or spec ones? 9 years ago – Tobie Langel on twitter @tobie the examples for URL and URLUtils polyfills are having to use try/catch to get around this. Similar issues with DOMParser 9 years ago ‐ Also on: Twitter | Favourite Retweet Reply Likes mozheykinanadya favorited this