[Disco]: recommending on{event} instead of on-modifier

[NullVoxPopuli]

[Disco]: recommending on{event} instead of on-modifier

[lifeart]

@NullVoxPopuli here is proof on ~10% perf boost if we don't use removeEventListener

• lifeart/glimmer-next#105 (comment)

[lifeart]

@NullVoxPopuli I remember some SSR concerns related to it, but can't find related topics.

Some outdated:

1. ember-fastboot/ember-cli-fastboot#162
2. glimmerjs/glimmer-vm#1102
3. glimmerjs/glimmer-vm#549

[bertdeblock]

AFAIK, the {{on}} modifier was introduced as a better alternative to the on* properties => https://github.com/emberjs/rfcs/pull/471/files#diff-a1482043efff1d9e730b71a8ac6b323a1dedf4c0e3ac20f427944ccb1dbce355R38-R57

[NullVoxPopuli]

My research is showing better is debatable. In fact, specifically, situational (4-5 percent render speed improvement of using on*)