ios - How to access javascript function variable in UIWebview -

i want print variable value of javascript function in xcode console. script

<script language="javascript" type="text/javascript"> function myfunction() { var abc =@"my value";       alert('hello world'); } </script>

with of

[webview stringbyevaluatingjavascriptfromstring:@"myfunction()"]];

i able run function , alert of @"hello world" display.

my main concern nslog(@"abc value %@",?); how access abc value ="my value";

i new in javascript , don't have knowledge of basic of javascript.

waiting replay'

thanks

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