* For feature detection * @param {Function} fn The function to test for native support
( fn )
| 1153 | * @param {Function} fn The function to test for native support |
| 1154 | */ |
| 1155 | function isNative( fn ) { |
| 1156 | return rnative.test( fn + "" ); |
| 1157 | } |
| 1158 | |
| 1159 | /** |
| 1160 | * Create key-value caches of limited size |