$.disableScrolling/$.enableScrolling
Use this button to disable and reenable scrolling for this window as well for mousewheel as for touch scollls.
$.removeSelection
Create a text selection on this page and wait some seconds to see it disappear automatically again by
a repeated call to removeSelection. In some browsers, like IE11, selections inside text inputs might not be removable.
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$.fn.createSelection
Use this button to test different kinds of created selections. The button should rotate through a list of text-only selection, selection beginning in a text and ending in an input, a selection inside the inputs and including all content. The selected text should be logged to the dev console. On mobile/iOS devices creation of selection ranges might only be allowed in inputs.
$.fn.disabledSelection/$.fn.enableSelection
Use this button to disable and reenable text selectability for the content above. Depending on your browser this setting may or may not hold true for selections created with createSelection above. Some browsers like IE11 block everything, while others like Firefox block nothing, so don't rely on this effect in your implementations! Depending on your browser selections in text inputs might not be supressable (in Chrome for example).