What about, if you want to do the promise only when a button is pressed ? let's say update a form. that lives with another promise already executed.?? you still need to check undefined before.. other wise you will show "form updated correctly" on the promise...
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What about, if you want to do the promise only when a button is pressed ? let's say update a form. that lives with another promise already executed.?? you still need to check undefined before.. other wise you will show "form updated correctly" on the promise...