26704 2014-09-02 05:38:16 +0000 ElementRect uses doubles instead of JSON compatible number type 2014-09-06 06:58:37 +0000 1 1 1 Unclassified Browser Test/Tools WG WebDriver unspecified PC All RESOLVED DUPLICATE 26707 P2 normal --- 1 ato public-browser-tools-testing botalov.andrey dburns mike public-browser-tools-testing oldest_to_newest 110834 0 ato 2014-09-02 05:38:16 +0000 The x/y/height/width properties of ElementRect are defined as doubles [1]. Since pixels are defined in the CSS 3 Values specification as of the type NUMBER [2] we should make sure to use a JSON compatible data type, number [3]. Possibly this bug is a covered by bug 26275. 1. https://dvcs.w3.org/hg/webdriver/raw-file/tip/webdriver-spec.html#attributes-2 2. http://www.w3.org/TR/css3-values/#attr-notation 3. http://www.ietf.org/rfc/rfc4627.txt 110937 1 dburns 2014-09-03 22:09:40 +0000 This is because it is described as WebIDL currently. WebIDL does not have a number type. 110938 2 dburns 2014-09-03 22:10:42 +0000 *** This bug has been marked as a duplicate of bug 26707 *** 111122 3 botalov.andrey 2014-09-06 06:58:37 +0000 Actually switching to JSON won't be fully compatible with CSS Values spec as it says the following about Number type: > As with integers, the first character of a number may be immediately preceded by ‘-’ or ‘+’ to indicate the number's sign. RFC4627 doesn't seem to allow for a number to start from "+"