AngularJS Example

HTML

<body ng-app="myapp">
    <div slng-style-prelink="{height:'500px'}" drctv-name='parent' style="border:1px solid" name="parent">
        <div slng-style-prelink="{height:'50%'}" drctv-name='child' style="border:1px solid red" name='child'>
        </div>
    </div>
</body>

JavaScript

var app = angular.module('myapp', [])

app.directive('slngStylePrelink', function() {
    return {
        scope: {
            drctvName: '@'
        },
        controller: function($scope) {
            console.log('controller for ', $scope.drctvName);
        },
        compile: function(element, attr) {
            console.log("compile for ", attr.name)
            return {
                post: function($scope, element, attr) {
                    console.log('post link for ', attr.name)
                },
                pre: function($scope, element, attr) {
                    $scope.element = element;
                    console.log('pre link for ', attr.name)
                        // from angular.js 1.4.1
                    function ngStyleWatchAction(newStyles, oldStyles) {
                        if (oldStyles && (newStyles !== oldStyles)) {
                            forEach(oldStyles, function(val, style) {
                                element.css(style, '');
                            });
                        }
                        if (newStyles) element.css(newStyles);
                    }

                    $scope.$watch(attr.slngStylePrelink, ngStyleWatchAction, true);

                    // Run immediately, because the watcher's first run is async
                    ngStyleWatchAction($scope.$eval(attr.slngStylePrelink));
                }
            };
        }
    };
});