Update guidance

kgryte · kgryte · commit 655d432aa067 · 2017-11-17T18:52:35.000-08:00
diff --git a/docs/style-guides/javascript/README.md b/docs/style-guides/javascript/README.md
@@ -906,17 +906,14 @@ for ( i = 0; i < arr.length; i++ ) {
 
 ##### Notes
 
--   Do **not** use the `new` operator if the `array` length is [greater than][array-fast-elements] `64000` due to how compilers handle "fast" elements. Instead, to ensure "fast" elements,
+-   Do **not** use the `new` operator if the `array` length is **very large** due to how compilers handle "fast" elements. Instead, to ensure "fast" elements,
 
     ```javascript
-    var len = 100000;
     var arr;
     var i;
-    arr = new Array( 64000 );
-    for ( i = 0; i < arr.length; i++ ) {
-        arr[ i ] = Math.random();
-    }
-    for ( i = arr.length; i < len; i++ ) {
+
+    arr = [];
+    for ( i = 0; i < 1e7; i++ ) {
         arr.push( Math.random() );
     }
     ```
@@ -3607,8 +3604,6 @@ This document may be reused under a [Creative Commons Attribution-ShareAlike Lic
 
 [ecma-262]: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
 
-[array-fast-elements]: https://github.com/thlorenz/v8-perf/blob/master/data-types.md#fast-elements
-
 [function-statements]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function
 
 [function-expressions]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/function
