Content - 757296253d490449449c5dec972e9f06f0d0621a - c0de993/IndexedDB/idbobjectstore_createIndex10.htm

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Tip revision: be42da5976a6b7ae2ebe9965350a786946fbd072 authored by Frédéric Wang on 20 September 2018, 14:08:51 UTC
CSSOM View Scroll Behavior: Check scroll positions during smooth scrolling starting from different initial positions.

Tip revision: be42da5

idbobjectstore_createIndex10.htm

<!DOCTYPE html>
<meta charset="utf-8">
<title>IDBDatabase.createIndex() - If an index with the name name already exists in this object store, the implementation must throw a DOMException of type ConstraintError </title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="help" href="https://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBObjectStore-createIndex-IDBIndex-DOMString-name-DOMString-sequence-DOMString--keyPath-IDBIndexParameters-optionalParameters">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<div id="log"></div>
<script>
var t = async_test(),
    open_rq = createdb(t);

open_rq.onupgradeneeded = function (e) {
    var db = e.target.result;
    var ostore = db.createObjectStore("store");
    ostore.createIndex("a", "a");
    assert_throws("ConstraintError", function(){
        ostore.createIndex("a", "a");
    });
    t.done();
}
</script>

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