--- /dev/null
+'use strict';
+var $ = require('../internals/export');
+var createHTML = require('../internals/create-html');
+var forcedStringHTMLMethod = require('../internals/string-html-forced');
+
+// `String.prototype.fontsize` method
+// https://tc39.es/ecma262/#sec-string.prototype.fontsize
+$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('fontsize') }, {
+ fontsize: function fontsize(size) {
+ return createHTML(this, 'font', 'size', size);
+ }
+});