MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/MDN-dev-survey-2018-1

edsouza

Member since
edsouza

Recent Docs Activity

View all activity
Page Date Comment

Window.postMessage()


Clarity: 'only' was redundant and confusing when followed by 'if and only if' (the 'only' is already implied).