Two "v-for" template renders unexpected output #6790

blahgeek · 2017-10-13T04:32:12Z

Version

2.5.0

Reproduction link

https://jsfiddle.net/s2eskL26/

Steps to reproduce

See the jsfiddle link.

What is expected?

Renders empty output.

What is actually happening?

Renders "undefined undefined"

Leopoldthecoder · 2017-10-13T04:40:57Z

I'm having a similar issue here: https://jsfiddle.net/wswmmjaa/1/ . If we have one <template> tag, it also renders undefined.

skollro · 2017-10-13T14:13:30Z

please tag this soon 👍

fix vuejs#6790

yyx990803 added the regression label Oct 13, 2017

yyx990803 closed this as completed in 1f84dd1 Oct 13, 2017

posva mentioned this issue Oct 13, 2017

v-for shows 'undefined' for empty lists #6793

Closed

634750802 mentioned this issue Oct 13, 2017

vue 2.5 复合型输入框出现undefined问题 - 有重现地址 iview/iview#2084

Closed

CyanSalt mentioned this issue Oct 13, 2017

使用v-for渲染空数组时，出现undefined #6801

Closed

This was referenced Oct 13, 2017

v-for renders 'undefined' if it's empty and in another v-for loop #6804

Closed

Iterating empty array with v-for printing "undefined" when other element is used #6806

Closed

posva mentioned this issue Oct 13, 2017

"Undefined" as text if v-for array is empty #6809

Closed

jaromero mentioned this issue Oct 13, 2017

v-select shows the string 'undefined' with vue 2.5.0 when nothing is selected vuetifyjs/vuetify#2168

Closed

nirazul mentioned this issue Oct 17, 2017

<template> tag with v-for render undefined #4564

Closed

erweixin pushed a commit to erweixin/vue that referenced this issue Dec 15, 2017

fix: fix empty array edge case in normalizeChildren

37dd206

fix vuejs#6790

f2009 pushed a commit to f2009/vue that referenced this issue Jan 25, 2019

fix: fix empty array edge case in normalizeChildren

87bcd8e

fix vuejs#6790

aJean pushed a commit to aJean/vue that referenced this issue Aug 19, 2020

fix: fix empty array edge case in normalizeChildren

4ff3e1a

fix vuejs#6790

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Two "v-for" template renders unexpected output #6790

Two "v-for" template renders unexpected output #6790

blahgeek commented Oct 13, 2017

Leopoldthecoder commented Oct 13, 2017

skollro commented Oct 13, 2017

Two "v-for" template renders unexpected output #6790

Two "v-for" template renders unexpected output #6790

Comments

blahgeek commented Oct 13, 2017

Version

Reproduction link

Steps to reproduce

What is expected?

What is actually happening?

Leopoldthecoder commented Oct 13, 2017

skollro commented Oct 13, 2017