2014/10/15 下午 10:12:21

iphone Programming Glossary: onfocus

Detect moving to a new tab in Mobile Safari

http://stackoverflow.com/questions/11085409/detect-moving-to-a-new-tab-in-mobile-safari

Each of these popups needs to know when they are the focused or not. On desktops we use window.onblur and window.onfocus to drive this behavior. However none of these events work on iPad. I also tried window.onpageshow and window.onpagehide.. HTML file html head script language javascript console.log 'Hello' window.onblur function e console.log 'blur' window.onfocus function e console.log 'focus' window.onpagehide function e console.log 'pagehide' window.onpageshow function e console.log.. mobile safari share improve this question I don't think that onblur can be detected but this is a code to detect onfocus var timestamp new Date .getTime function checkResume var current new Date .getTime if current timestamp 5000 var event..

How to detect in iOS webapp when switching back to Safari from background?

http://stackoverflow.com/questions/4656387/how-to-detect-in-ios-webapp-when-switching-back-to-safari-from-background

code below does not fire the event when switching to Safari on an iPhone html head script type text javascript window.onfocus function alert onfocus script head body Main text body html According http www.quirksmode.org dom events index.html Safari.. the event when switching to Safari on an iPhone html head script type text javascript window.onfocus function alert onfocus script head body Main text body html According http www.quirksmode.org dom events index.html Safari iPhone does not fire.. Date .getTime setInterval function now new Date .getTime if now lastFired 5000 if it's been more than 5 seconds alert onfocus lastFired now 500 You may need to adjust those time intervals to suite your needs. But most likely if it has been long enough..

Invoke native date picker from web-app on iOS/Android

http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android

another form field. On iOS 4 this does not trigger the onclick handler and hence gives the user a regular input. Using onfocus to trigger the plugin seems to work better. On iOS 4 using onclick or onfocus to trigger the iOS plugin first makes the.. gives the user a regular input. Using onfocus to trigger the plugin seems to work better. On iOS 4 using onclick or onfocus to trigger the iOS plugin first makes the regular keyboard show after which the date picker is placed on top of that. Next..

HTML5 Web SQL Transactions skipped without error when touch triggered in IOS

http://stackoverflow.com/questions/8741000/html5-web-sql-transactions-skipped-without-error-when-touch-triggered-in-ios

this behaviour would also occur whenever the keyboard was displaying and would prevent transactions in an onblur or onfocus event although not onkey down up press . Using setTimeout would cause terrible performance issues. We had found that the..