<!DOCTYPE html> <meta charset=utf-8> <title>IDBFactory.cmp() - comparison of binary keys</title> <link rel="author" title="Mozilla" href="https://www.mozilla.org"> <link rel="help" href="http://w3c.github.io/IndexedDB/#key-construct"> <script src=/resources/testharness.js></script> <script src=/resources/testharnessreport.js></script> <script> test(function() { assert_equals(indexedDB.cmp(new Int8Array([-1]), new Uint8Array([0])), 1, "255(-1) shall be larger than 0"); }, "Compare in unsigned octet values (in the range [0, 255])"); test(function() { assert_equals(indexedDB.cmp( new Uint8Array([255, 254, 253]), new Uint8Array([255, 253, 254])), 1, "[255, 254, 253] shall be larger than [255, 253, 254]"); }, "Compare values in then same length"); test(function() { assert_equals(indexedDB.cmp( new Uint8Array([255, 254]), new Uint8Array([255, 253, 254])), 1, "[255, 254] shall be larger than [255, 253, 254]"); }, "Compare values in different lengths"); test(function() { assert_equals(indexedDB.cmp( new Uint8Array([255, 253, 254]), new Uint8Array([255, 253])), 1, "[255, 253, 254] shall be larger than [255, 253]"); }, "Compare when the values in the range of their minimal length are the same"); </script> <div id=log></div>