{
	"aliases": [
		"default"
	],
	"browsers": {
		"ie": "<12",
		"firefox": "<29",
		"safari": "<8",
		"ios_saf": "<7.1",
		"chrome": "<38",
		"firefox_mob": "<29"
	},
	"dependencies": [
		"Array.prototype.indexOf",
		"Symbol.iterator",
		"Symbol.species",
		"Object.defineProperty",
		"Number.isNaN"
	]
}

{
	"aliases": [
		"default"
	],
	"browsers": {
		"ie": "<12",
		"firefox": "<29",
		"safari": "<8",
		"ios_saf": "<7.1",
		"chrome": "<38",
		"firefox_mob": "<29"
	},
	"dependencies": [
		"Array.prototype.indexOf",
		"Symbol.iterator",
		"Symbol.species",
		"Object.defineProperty",
		"Number.isNaN"
	],
	"notes": [
		"For compatibility with very old engines, `Map.prototype.delete` must be accessed using square bracket notation because 'delete' is a reserved word. `myMap.delete()` is an error in IE8. Use `myMap['delete']()` instead."
	]
}

Add note about delete method
Add note about delete method