--- /dev/null
+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var anObject = require('../internals/an-object');
+var bind = require('../internals/function-bind-context');
+var getSetIterator = require('../internals/get-set-iterator');
+var iterate = require('../internals/iterate');
+
+// `Set.prototype.every` method
+// https://github.com/tc39/proposal-collection-methods
+$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
+ every: function every(callbackfn /* , thisArg */) {
+ var set = anObject(this);
+ var iterator = getSetIterator(set);
+ var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+ return !iterate(iterator, function (value) {
+ if (!boundFunction(value, value, set)) return iterate.stop();
+ }, undefined, false, true).stopped;
+ }
+});