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by malekpour 3480 days ago
It is supporting ES2015/16/17 completely but its ES5 support is 99%. All other major browsers have 100% support ES5 for years. http://kangax.github.io/compat-table/es5/#test-Miscellaneous
1 comments

Unless I'm mistaken, the same resource shows Chrome 55/56/57 is also at 99%?

I'd be curious if a JavaScript guru could give a little more context about the significance of that last 1%: namely, for Safari, "enumerable properties can be shadowed by non-enumerables," and for Chrome, "Array.prototype.sort: compareFn must be function or undefined."