AngularJS - filter to fix widows in content that has been bound as HTML (will not work inside {{ }}). Usage: ng-bind-html="content | noWidows | trustAsHTML"

noWidowsFilter.js

myApp.filter('noWidows',function(){
	return function(input){
		var wordArray = input.split(' ');

		if (wordArray.length > 1) {
			wordArray[wordArray.length - 2] += ' ' + wordArray[wordArray.length - 1];
			wordArray.pop();

			return wordArray.join(' ');
		} else {
			return input;
		}
	};
});