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joeybaker/onbeforeunload.js

Created October 15, 2013 21:42
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Show the user a warning before they leave the page if AJAX has yet to complete.
Raw
onbeforeunload.js
// if the user attempts to navigate away from the page before ajax is complete, warn.
$.ajaxPrefilter(function(/*options, originalOptions, jqXHR*/) {
window.onbeforeunload = function(){
return 'Please allow ajax to complete'
}
})
// remove the warning when AJAX is done
$(document).ajaxComplete(function(){
window.onbeforeunload = void 0
})
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