What happened to my array in typescript...?

it’s insanely weird.

스크린샷 2020-04-25 오후 10.54.26

as line number says gamearray object is shown well on log.
but when I navigate to other page, it’s shown like below!!!
what happened to navCtrl.push???
when I remove navCtrl.push, it show well not showing Object.

If you don’t get any better answers, please post enough code for others to be able to reproduce your problem AS TEXT, NOT IMAGES.