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[Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. #4221
In chrome 58, warnings started appearing on console:
zone.min.js:1 [Violation] 'readystatechange' handler took 190ms
zone.min.js:1 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive.
zone.min.js:1 [Violation] 'load' handler took 517ms
What is the expected behavior?
Don't get this warning on console:
What are the steps to reproduce?
Just running the template plunker you get this console warning. Console must be in the verbose level