我发现iOS 8上的Safari支持IndexedDB，但我找不到有关UIWebView的任何内容。从我的初步测试来看，它看起来没有，但我希望那里的人有一个具体的答案。
答案 0 :(得分：5)
UIWebView不支持IndexedDB，但WKWebView支持{。}}。
以下是在iOS8上提供的各种网络浏览器上测试的技术帖子： http://mail-archives.apache.org/mod_mbox/cordova-dev/201409.mbox/%3CCAD66QQSYuEhWkW9-b_TN4MK-+MO5MfjU2cMjkhbRvaxCWF51eA@mail.gmail.com%3E
iPod Touch iOS 8 *Safari*
UserAgent - Mozilla/5.0 (iPod touch; CPU iPhone OS 8_0 like Mac OS X)
AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12A365
Safari/600.1.4
Sunspider - 1825ms Overall
HMTL5 Test - 440/555
- Seamless iFrame - No
- 2D Graphics Path Support - Yes
- Web GL 3D Graphics - Yes
- IndexedDB - Yes
- Objectstore ArrayBuffer Support - Yes
iPod Touch iOS 8 *HomeScreen*
UserAgent - Mozilla/5.0 (iPod touch; CPU iPhone OS 8_0 like Mac OS X)
AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12A365
SunSpider - 1801.0ms Overall
HTML5 Test - 427/555
- Seamless iFrame - No
- 2D Graphics Path Support - Yes
- Web GL 3D Graphics - Yes
- IndexedDB - No
- Objectstore ArrayBuffer Support - No
iPod Touch iOS 8 *WKWebView*
UserAgent - Mozilla/5.0 (iPod touch; CPU iPhone OS 8_0 like Mac OS X)
AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12A365
SunSpider - 1822.8ms Overall
HTML5 Test - 438/555
- Seamless iFrame - No
- 2D Graphics Path Support - Yes
- Web GL 3D Graphics - Yes
- IndexedDB - Yes
- Objectstore ArrayBuffer Support - No
iPod Touch iOS 8 *UIWebView*
UserAgent - Mozilla/5.0 (iPod touch; CPU iPhone OS 8_0 like Mac OS X)
AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12A365
SunSpider - 7114.6ms Overall
HTML5 Test - 427/555
- Seamless iFrame - No
- 2D Graphics Path Support - Yes
- Web GL 3D Graphics - Yes
- IndexedDB - No
- Objectstore ArrayBuffer Support - No
*iOS 8 Notes*
- Seamless iFrame was removed compared to iOS 7.1.2
- IndexedDB is only supported in Safari & WKWebView App
- Objectstore ArrayBuffer is only supported in Safari & WKWebView App
- UIWebView is ~4x slower then WKWebView for JS (Sunspider results)
- WKWebView cannot load local files (issue for Cordova/Phonegap/Offline
Solutions)
- No UserAgent difference between UIWebView and WKWebView.
答案 1 :(得分：4)
从这里开始：http://www.sencha.com/blog/apple-shows-love-for-html5-with-ios-8
◾IndexedDB在iOS 8“UIWebView”或主屏应用
中不可用