cordova-js-src/plugin/ios/logger.js
function logWithArgs(level, args) {
    args = [level].concat([].slice.call(args));
    logger.logLevel.apply(logger, args);
}
function logWithArgs(level, args) {
    args = [level].concat([].slice.call(args));
    logger.logLevel.apply(logger, args);
}
function logWithArgs ( level , args ) { args = [ level ] . concat ( [ ] . slice . call ( args ) ) ; logger . logLevel . apply ( logger , args ) ; }
log at the specified level with args
log at the specified level with args