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function test(x = "hello") {
  // look ma, x has a default value
}

function test(x) {
  var x = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "hello";
  // look ma, x has a default value
}

BryanFazekas wrote:

these figures may not be accurate for YOUR market.

BryanFazekas wrote:

What is the projected budget to develop and maintain the site for IE? If the budget is 10% of the total and the expected revenue from IE customers is 3%, supporting IE is counter-productive.

BryanFazekas wrote:

Why Edge? It's built into Windows so it's present for most of our user base. [Granted, the change to Chromium has eliminated a lot of testing.]

BryanFazekas wrote:

which is far from modern

1. If they are using IE-something, it means this is a public machine nobody has cared to give maintenance, so it's always slow and people don't expect otherwise
2. Using polyfills was supposed to be an interim solution, since as it's author suggested "if you removed the polyfill script, your code would continue to work, without any changes required in spite of the polyfill being removed" which, of course, is impossible in modern context. So most normal polyfillers like core-js and CSS3 PIE use lots of convolution to make this work.

Member 2896020 wrote:

If they are using IE-something, it means this is a public machine nobody has cared to give maintenance, so it's always slow and people don't expect otherwise

Member 2896020 wrote:

Using polyfills was supposed to be an interim solution, since as it's author suggested "if you removed the polyfill script, your code would continue to work, without any changes required in spite of the polyfill being removed" which, of course, is impossible in modern context. So most normal polyfillers like core-js and CSS3 PIE use lots of convolution to make this work.

Member 2896020 wrote:

Since nobody has the time to do those, I would suggest you use a "critical path" approach.

Member 2896020 wrote:

Remember that if a page is just tooo slow on the common machine, anybody can fire up a browser on its phone and get the missing content.

Member 2896020 wrote:

If they are using IE-something, it means this is a public machine nobody has cared to give maintenance, so it's always slow and people don't expect otherwise