JavaScript implementation 10 seconds after the registration button clickable method

The example in this article describes the way JavaScript implements the Register button clickable after 10 seconds. Share to everyone for your reference. The specific analysis is as follows:

1. Registration button Initial state is not available, disabled

2. Start Timer, setinterval,1 second to run the Countdown method, set an initial value of 10 global variables,

In the Countdown method, countdown to the global variable, and then write the reciprocal value to the registration button (please read the agreement carefully (8 seconds left)).

3. Until the value of the global variable <=0, let the registration button available, the button text set to "Agree!"

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