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Is there a way to use render() with a fragment param so on page load it automatically scrolls to a specific part of the page? Similarly to how we can call
redirect(controller: "book", action: "show", fragment: "profile")
657
You cannot pass it to render(), because by the time you're actually invoking render(), the URL has already been determined and mapped to your action; all render is doing is controlling what gets written back to the response.
The fragment must already be in the URL before the rendering controller action gets called. Here's an example:
grails-app/controllers/MyController.groovy
class MyController {
def foo = {
render(view: 'foo')
}
def quux = {
redirect(action: 'foo', fragment: 'baz')
}
}
grails-app/views/my/foo.gsp
<html>
<head>
<title>Foo</title>
</head>
<body>
<a id="bar">Bar</a>
<g:each in="${0..100}"><br/></g:each>
<a id="baz">Baz</a>
</body>
</html>
With various URLs:
http://example.com/myapp/my/foo - doesn't scroll to an anchor
http://example.com/myapp/my/foo#baz - scrolls to the 'baz' anchor
http://example.com/myapp/my/quux - scrolls to the 'baz' anchor'
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