# Parsing rendered html after javascript

**URL:** <https://www.ruby-forum.com/t/parsing-rendered-html-after-javascript/197023>\
**Category:** Ruby\
**Created:** [February 2, 2010, 2:43pm UTC](https://www.ruby-forum.com/t/parsing-rendered-html-after-javascript/197023 "2010-02-02T14:43:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![parkurm](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/90db22/32.png) [@parkurm](https://www.ruby-forum.com/u/parkurm)\
**Post date:** [February 2, 2010, 2:43pm UTC](https://www.ruby-forum.com/t/parsing-rendered-html-after-javascript/197023/1 "2010-02-02T14:43:01Z")

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I’m trying to write a website that parses all images in a given  
webpage. I initially tried to get all image links by looking for ![]()  
tag, by using nokogiri html parser, and it works well with webpages  
without javascript.

Some pages use javascript to render the view, and using nokogiri, I’m  
just getting raw html results before it’s rendered.

How can I get a page after being rendered by javascript?

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<div class="post-metadata">

**Author:** ![parkurm](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/90db22/32.png) [@parkurm](https://www.ruby-forum.com/u/parkurm)\
**Post date:** [February 2, 2010, 3:01pm UTC](https://www.ruby-forum.com/t/parsing-rendered-html-after-javascript/197023/2 "2010-02-02T15:01:26Z")

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parkurm wrote:

> I’m trying to write a website that parses all images in a given  
> webpage. I initially tried to get all image links by looking for ![]()  
> tag, by using nokogiri html parser, and it works well with webpages  
> without javascript.
> 
> Some pages use javascript to render the view, and using nokogiri, I’m  
> just getting raw html results before it’s rendered.
> 
> How can I get a page after being rendered by javascript?

Hi,

It implies that you pass the javascript code to a … javascript  
interpreter !  
take a look at that:  
[http://tenderlovemaking.com/2008/01/03/happy-new-year-rkelly-progress-report/](http://tenderlovemaking.com/2008/01/03/happy-new-year-rkelly-progress-report/)

Regards,  
Pierre
