llgoer / examples

chromedp code examples.

About chromedp examples

This folder contains a variety of code examples for working with chromedp. Please note that when the chromedp package is being rewritten, these examples may break. Additionally, since these examples are written for specific websites, there is a good chance that the current selectors, etc break after the website they are written against changes.

While every effort is made to ensure that these examples are kept up-to-date, it is expected that the examples made available here and working, As this is not a core part of the chromedp project,

Building and Running an Example

You can build and run these examples in the usual Go way:

# retrieve examples
$ go get -u -d github.com/chromedp/examples

# run example <prog>
$ go run $GOPATH/src/github.com/chromedp/examples/<prog>/main.go

# build example <prog>
$ go build -o <prog> github.com/chromedp/examples/<prog> && ./<prog>

Available Examples

The following examples are currently available:

Example	Description
click	use a selector to click on an element
cookie	set a HTTP cookie on requests
eval	evaluate javascript and retrieve the result
headers	set a HTTP header on requests
keys	send key events to an element
logic	more complex logic beyond simple actions
pool	use chromedp pool
screenshot	take a screenshot of a specific element
simple	do a simple google search
standalone	use chromedp with a standalone (ie, a "pre-existing" / manually started) chrome instance
submit	fill out and submit a form
text	extract text from a specific element
upload	upload a file on a form
visible	wait until an element is visible

Contributing

Pull Requests and contributions to this project are encouraged and greatly welcomed! The chromedp project always needs new examples, and needs talented developers (such as yourself!) to submit fixes for the existing examples when they break (for example, when a website's layout/HTML changes).