Javascript evokes native app, how to determine whether the operation has been cancelled by the user

topic description

javascript evokes native app, the system will pop up a prompt box, how to determine that the user clicked the "cancel" button

sources of topics and their own ideas

there are a lot of ways to evoke app, but there is little judgment that the user clicks the cancel button

what result do you expect? What is the error message actually seen?

if you can be sure that the user clicked the cancel button

May.05,2022
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