--- /dev/null
+var $ = require('../internals/export');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint;
+
+// length should be 1, old FF problem
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;
+
+// `String.fromCodePoint` method
+// https://tc39.es/ecma262/#sec-string.fromcodepoint
+$({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {
+ // eslint-disable-next-line no-unused-vars -- required for `.length`
+ fromCodePoint: function fromCodePoint(x) {
+ var elements = [];
+ var length = arguments.length;
+ var i = 0;
+ var code;
+ while (length > i) {
+ code = +arguments[i++];
+ if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');
+ elements.push(code < 0x10000
+ ? fromCharCode(code)
+ : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)
+ );
+ } return elements.join('');
+ }
+});