Intercept click event on a button, ask for confirmation, then proceed

Question

Based on a variable SomeCondition, I need to intercept a click event on a button, and ask for confirmation, if they say ok, proceed, otherwise ignore click.

Answer 1

To anyone who is looking for a simple solution (not particular to the special condition mentioned here)

Just add this attribute to the button:

.... , onclick = "return confirm('are you sure?')"

When the confirmation box returns a false, the click event gets cancelled. Note: The onclick handler explicitly mentioned inline will override any other bindings.