there is such a sentence in the vue document
event usually looks like: "doc.title on up-dated updated title" xxxx ", so what is this? v talk on a up-date up-date. Title =" doc.title = $title "? What does the colon title mean directly after update
v-on:update:title you can understand as the same meaning as v-on:update, but he wrote it more clearly to update the literal meaning of title,.
the name of the attribute to be updated. The general way to write it is
.:title.sync="doc.title" //propsyou can also define "customFun" $emit ("custom:title", data)
) by yourself.xxx:xxx is just a trigger event name
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what does the code circled in the following picture mean? ...
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