Creating a jest test like: fails with however, node does define btoa as of node 16, and so the following: correctly outputs YWFh. How can I configure jest to get this test to pass? Clearly something is happening in the jest test runner to not execute in the current node environment, or otherwise is stripping …
Tag: built-in
Where is low level code of Javascript standard built-in objects?
I’m looking for the way to get low level code of javascript built-in function. For example, there is an polyfill(I want like this form and I call this low level code in my way) in mdn site of ‘Array.prototype.indexOf()’ (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Globa…