Clarify boolean attribute behaviour is unchanged#31
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thedamon wants to merge 1 commit intovuejs:mainfrom
Open
Clarify boolean attribute behaviour is unchanged#31thedamon wants to merge 1 commit intovuejs:mainfrom
thedamon wants to merge 1 commit intovuejs:mainfrom
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The broad wording in a few places fails to draw attention to the fact that `:booleanAttr="false"` will be removed from markup, as in Vue 2. I added a few clarifications to make sure it's clear that this is specifically a change to non-boolean attributes. I also removed the `low-level internal API change` label, because I think it is untrue that this won't affect most developers. HTML attributes changing from not being present to being present with a value of`"false"`, could easily have consequences, especially somewhat invisibly for screen-readers, for attributes like `aria-label`, `aria-labelledby`, `id`, etc For instance: with a binding like `<label for="input">Email</label><input id="input" :aria-label="needsCustomAriaLabel && makeAriaLabel(input)">` the label of the input for a screenreader will change from "Email" to "false" between vue 2 and 3)
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The broad wording in a few places fails to draw attention to the fact that
:[booleanAttr]="false"will be removed from markup, as in Vue 2 (further confusing because @vue/compat incorrectly warned about this issue for boolean attributes until a recent fix). I added a few clarifications to make sure it's clear that this is specifically a change to non-boolean attributes.I also removed the
low-level internal API changelabel, because I think it is untrue that this won't affect most developers. HTML attributes changing from not being present to being present with a value of"false", could easily have consequences, especially somewhat invisibly for screen-readers, for attributes likearia-label,aria-labelledby,id, etcFor instance: with a binding like
<label for="input">Email</label><input id="input" :aria-label="needsCustomAriaLabel && makeAriaLabel(input)">the label of the input for a screenreader will change from "Email" to "false" between vue 2 and 3)