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v-model inside v-for doesn't set value when property name is dynamic #1797

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inca opened this issue Nov 12, 2015 · 1 comment
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v-model inside v-for doesn't set value when property name is dynamic #1797

inca opened this issue Nov 12, 2015 · 1 comment
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@inca
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inca commented Nov 12, 2015

As explained in this forum post and demonstrated by this fiddle, if you have something like v-model="obj['prefix-' + key]", you occasionally get this:

Cannot read property "get" of undefined

or that:

[Vue warn]: Invalid setter function body:  'prefix-'+scope.key
@yyx990803
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Yes, this is a known issue. But in general, the advice is never rely on v-model to create a non-existent property for you. Follow the best practice and properly initialize your data.

@yyx990803 yyx990803 added the bug label Nov 13, 2015
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@inca @yyx990803