There is no possibility to stop the cycle, such as:
{% for user in users %}
{%- if loop.index >= 10 %}{% break %}{% endif %}
{%- endfor %}
it returns an error:
unknown block tag: break
vrtc
All 22 comments
Jinja doesn't support this either (which is why it probably won't be implemented in Nunjucks). See http://jinja.pocoo.org/docs/dev/templates/#for for suggestions to avoid it.
jbergstroem
on 16 Oct 2014
I see that it is implemented in Jinja)
http://jinja.pocoo.org/docs/dev/templates/#loop-controls
vrtc
on 16 Oct 2014
Sorry, I was reading an old version of the documentation. You're entirely correct.
jbergstroem
on 16 Oct 2014
it would be really nice to see break tag since it the only way to implement while loops in Jinja and nunjucks
ArmorDarks
on 27 Apr 2015
:+1:
roll
on 9 Jun 2015
Just stumbled across this looking for the same feature. This would be a welcome feature.
wjthomas9
on 6 Jul 2015
Agreed, this would be a useful feature!
ahoef
on 14 Jul 2015
yep...
:+1:
felipenmoura
on 29 Sep 2015
:+1:
j4in
on 7 Oct 2015
:+1: definitely useful feature
jinmatt
on 7 Oct 2015
I think this is not an enhancement but a bug.
kamlekar
on 31 Mar 2016
:+1:
kruncher
on 7 Jun 2016
+1
ryanvanderpol
on 28 Jun 2016
+1
rotexhawk
on 2 Nov 2016
+1
samuells
on 28 Nov 2016
+1
balazj
on 23 Jun 2017
Next/Continue would also be nice. Currently same thing can be implemented with IF conditions, but this would produce more readable code.
balazj
on 23 Jun 2017
A year later, still would love a break :)
blakeperdue
on 17 Aug 2018
Would also love to see continue implemented!
http://jinja.pocoo.org/docs/2.10/extensions/#loop-controls
http://jinja.pocoo.org/docs/2.10/templates/#loop-controls
https://github.com/pallets/jinja/blob/7a6704db55fcd9bbe5a90c3868e03f5a5fcf176a/jinja2/ext.py#L418-L426
https://github.com/pallets/jinja/blob/7a6704db55fcd9bbe5a90c3868e03f5a5fcf176a/jinja2/nodes.py#L948-L953
AlJohri
on 17 Oct 2018
I also would love to see this.
maddog986
on 15 Nov 2018
Break and continue has been implemented as an extension called loopcontrols:
I added this line on my flask app and it worked fine !
app.jinja_env.add_extension('jinja2.ext.loopcontrols')
lahloug
on 19 Nov 2018
Hi guys, any idea how i can actually implement loopextensions?
bzeklaf
on 5 Sep 2019
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Most helpful comment
Next/Continue would also be nice. Currently same thing can be implemented with IF conditions, but this would produce more readable code.