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Posted to issues@cordova.apache.org by "Ralph Gossa (JIRA)" <ji...@apache.org> on 2017/12/08 20:33:00 UTC
[jira] [Created] (CB-13650) Javascript functions with default
parameters cause app to be inoperable
Ralph Gossa created CB-13650:
--------------------------------
Summary: Javascript functions with default parameters cause app to be inoperable
Key: CB-13650
URL: https://issues.apache.org/jira/browse/CB-13650
Project: Apache Cordova
Issue Type: Bug
Components: cordova-ios
Affects Versions: cordova@7.1.0
Environment: Xcode
9.2
cordova --version
7.1.0
Installed platforms:
ios 4.5.1
iOS
9.3.5 (which is latest version available for iPod Touch)
Reporter: Ralph Gossa
Assignee: Suraj Pindoria
Having Javascript functions with default parameters cause app to be inoperable on certain iOS platforms
How to re-create the issue:
cordova create test
cd test
cordova platform add ios
Open the generated test.xcodeproj with Xcode
Add a javascript function with a default parameter to index.js, example:
/* default parameter causes app to be inoperable on iPod touch running iOS 9.3*/
function foo (a, b = 1) {
b = 1;
return b;
}
App with default parameters runs find in emulator and on iPhones running current iOS.
However app does not initialize properly on iPod Touch running iOS 9.3. It was working okay until I upgraded XCode and cordova. The function does not even need to be called for the app to become inoperable.
If the default parameter is removed from the Javascript function, the app runs fine.
XCode output with Javascript function containing default parameter
-----begin------
2017-12-08 10:29:41.783 paramtest[1125:133765] DiskCookieStorage changing policy from 2 to 0, cookie file: file:///private/var/mobile/Containers/Data/Application/1C726E4F-A05A-418A-A37F-1877E71B1E60/Library/Cookies/Cookies.binarycookies
2017-12-08 10:29:41.962 paramtest[1125:133765] Apache Cordova native platform version 4.5.3 is starting.
2017-12-08 10:29:41.964 paramtest[1125:133765] Multi-tasking -> Device: YES, App: YES
2017-12-08 10:29:41.993 paramtest[1125:133765]
Started backup to iCloud! Please be careful.
Your application might be rejected by Apple if you store too much data.
For more information please read "iOS Data Storage Guidelines" at:
https://developer.apple.com/icloud/documentation/data-storage/
To disable web storage backup to iCloud, set the BackupWebStorage preference to "local" in the Cordova config.xml file
2017-12-08 10:29:42.132 paramtest[1125:133765] Using UIWebView
2017-12-08 10:29:42.145 paramtest[1125:133765] [CDVTimer][console] 0.753999ms
2017-12-08 10:29:42.148 paramtest[1125:133765] [CDVTimer][handleopenurl] 0.678003ms
2017-12-08 10:29:42.158 paramtest[1125:133765] [CDVTimer][intentandnavigationfilter] 9.851992ms
2017-12-08 10:29:42.159 paramtest[1125:133765] [CDVTimer][gesturehandler] 0.428021ms
2017-12-08 10:29:42.159 paramtest[1125:133765] [CDVTimer][TotalPluginStartup] 15.917003ms
2017-12-08 10:29:42.799 paramtest[1125:133765] Resetting plugins due to page load.
2017-12-08 10:29:43.167 paramtest[1125:133765] Finished load of: file:///var/containers/Bundle/Application/81B5D70F-0B1F-455E-AB84-FA6BE125EEC2/paramtest.app/www/index.html
------end----
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