--- /dev/null
+'use strict';
+var $export = require('./_export')
+ , $fails = require('./_fails')
+ , aNumberValue = require('./_a-number-value')
+ , $toPrecision = 1..toPrecision;
+
+$export($export.P + $export.F * ($fails(function(){
+ // IE7-
+ return $toPrecision.call(1, undefined) !== '1';
+}) || !$fails(function(){
+ // V8 ~ Android 4.3-
+ $toPrecision.call({});
+})), 'Number', {
+ toPrecision: function toPrecision(precision){
+ var that = aNumberValue(this, 'Number#toPrecision: incorrect invocation!');
+ return precision === undefined ? $toPrecision.call(that) : $toPrecision.call(that, precision);
+ }
+});
\ No newline at end of file