new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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Vue · API reference · all subjects

style-guide

2 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

Element selectors with scoped styles performance pitfall

Element selectors should be avoided with scoped styles. Large numbers of element-attribute selectors (e.g., button[data-v-f3f3eg9]) are considerably slower than class-attribute selectors (e.g., .btn-close[data-v-f3f3eg9]). Class selectors should be preferred whenever possible in scoped styles.

Scoped styles implementation with unique attributes

Vue implements scoped styles by adding a unique attribute to component elements, such as data-v-f3f3eg9. Selectors are then modified so that only matching elements with this attribute are selected.

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