137287 2014-09-30 22:15:00 -0700 For a Date object from a different frame: ""+date !== date.toString() 2016-09-09 10:55:33 -0700 1 1 1 Unclassified WebKit WebCore JavaScript 528+ (Nightly build) Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=119898 InRadar P2 Normal --- 1 will webkit-unassigned ap ggaren sam webkit-bug-importer oldest_to_newest 1038461 0 238997 will 2014-09-30 22:15:00 -0700 Created attachment 238997 Sandboxed date string conversion test case. Given a sandboxing iFrame, after creating a Date object from the sandbox, calling date.toString() gives a different result to calling ""+date. The automatic conversion of the date to a string when appended to a string is wrong: ""+date === 1412140297227 See attachment with test case. 1039553 1 ap 2014-10-04 17:07:37 -0700 This happens any time the date object is created via a different frame - it does not have to be display:none, and it doesn't have to be empty. 1228219 2 ddkilzer 2016-09-09 10:55:33 -0700 <rdar://problem/28228212> 238997 2014-09-30 22:15:00 -0700 2014-09-30 22:15:00 -0700 Sandboxed date string conversion test case. sandbox-date-tests.html text/html 1082 will PGh0bWw+CjxoZWFkPgogICAgPG1ldGEgaHR0cC1lcXVpdj0iY29udGVudC10eXBlIiBjb250ZW50 PSJ0ZXh0L2h0bWw7IGNoYXJzZXQ9dXRmLTgiPgogICAgPHRpdGxlPlNhbmRib3ggVGVzdHM8L3Rp dGxlPgogICAgCiAgICA8c2NyaXB0IHR5cGU9InRleHQvamF2YXNjcmlwdCI+CiAgICAgICAgZnVu Y3Rpb24gcnVuKCkgewogICAgICAgICAgICB2YXIgbGlzdCA9IGRvY3VtZW50LmdldEVsZW1lbnRC eUlkKCJ0ZXN0cyIpOwogICAgICAgICAgICB2YXIgc2FuZGJveCA9IGRvY3VtZW50LmdldEVsZW1l bnRCeUlkKCJzYW5kYm94IikuY29udGVudFdpbmRvdzsKICAgICAgICAgICAgCiAgICAgICAgICAg IHZhciBkYXRlID0gbmV3IHNhbmRib3guRGF0ZSgpOwogICAgICAgICAgICB2YXIgcmVzdWx0ID0g IiIrZGF0ZSA9PT0gZGF0ZS50b1N0cmluZygpOwogICAgICAgICAgICAKICAgICAgICAgICAgdmFy IHRlc3QgPSBkb2N1bWVudC5jcmVhdGVFbGVtZW50KCJsaSIpOwogICAgICAgICAgICBsaXN0LmFw cGVuZENoaWxkKHRlc3QpOwogICAgICAgICAgICB0ZXN0LmlubmVySFRNTCA9ICIoXCJcIitkYXRl ID09PSBkYXRlLnRvU3RyaW5nKCkpID09PSAiICsgcmVzdWx0OwogICAgICAgICAgICAKICAgICAg ICAgICAgdGVzdCA9IGRvY3VtZW50LmNyZWF0ZUVsZW1lbnQoImxpIik7CiAgICAgICAgICAgIGxp c3QuYXBwZW5kQ2hpbGQodGVzdCk7CiAgICAgICAgICAgIHRlc3QuaW5uZXJIVE1MID0gIlwiXCIr ZGF0ZSA9PT0gIiArICgiIitkYXRlKTsKICAgICAgICAgICAgCiAgICAgICAgICAgIHRlc3QgPSBk b2N1bWVudC5jcmVhdGVFbGVtZW50KCJsaSIpOwogICAgICAgICAgICBsaXN0LmFwcGVuZENoaWxk KHRlc3QpOwogICAgICAgICAgICB0ZXN0LmlubmVySFRNTCA9ICJkYXRlLnRvU3RyaW5nKCkgPT09 ICIgKyBkYXRlLnRvU3RyaW5nKCk7CiAgICAgICAgfQogICAgPC9zY3JpcHQ+CjwvaGVhZD4KCjxi b2R5IG9ubG9hZD0icnVuKCkiPgoKPGlmcmFtZSBpZD0ic2FuZGJveCIgc3R5bGU9ImRpc3BsYXk6 bm9uZSI+PC9pZnJhbWU+Cgo8dWwgaWQ9InRlc3RzIj4KPC91bD4KCjwvYm9keT4KPC9odG1sPgo=