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added a check to record collection about pre-existing elements

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Vera Reynolds
2016-06-17 14:48:37 -05:00
parent 25e6d4293b
commit 0e654eb6bd
1 changed files with 1 additions and 0 deletions
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seed/challenges/01-front-end-development-certification/basic-javascript.json
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@ -4564,6 +4564,7 @@
"assert(updateRecords(5439, \"tracks\", \"Take a Chance on Me\")[5439][\"tracks\"].pop() === \"Take a Chance on Me\", 'message: After <code>updateRecords(5439, \"tracks\", \"Take a Chance on Me\")</code>, <code>tracks</code> should have <code>\"Take a Chance on Me\"</code> as the last element.');",
"updateRecords(2548, \"artist\", \"\"); assert(!collection[2548].hasOwnProperty(\"artist\"), 'message: After <code>updateRecords(2548, \"artist\", \"\")</code>, <code>artist</code> should not be set');",
"assert(updateRecords(1245, \"tracks\", \"Addicted to Love\")[1245][\"tracks\"].pop() === \"Addicted to Love\", 'message: After <code>updateRecords(1245, \"tracks\", \"Addicted to Love\")</code>, <code>tracks</code> should have <code>\"Addicted to Love\"</code> as the last element.');",
"assert(updateRecords(2468, \"tracks\", \"Free\")[2468][\"tracks\"][0] === \"1999\", 'message: After <code>updateRecords(2468, \"tracks\", \"Free\")</code>, <code>tracks</code> should have <code>\"1999\"</code> as the first element.');",
"updateRecords(2548, \"tracks\", \"\"); assert(!collection[2548].hasOwnProperty(\"tracks\"), 'message: After <code>updateRecords(2548, \"tracks\", \"\")</code>, <code>tracks</code> should not be set');"
],
"type": "checkpoint",