My web page has a dynamic element with an unpredictable height. As more content is added, the element grows, but I have restricted it with a max-height: 300px;. However, I would like to add a hint to the user when the element reaches its maximum height by displaying a solid 2px border at the bottom of the element.
Is there a CSS solution for achieving this effect? If JavaScript is needed, how would you implement it (I am using Angular)?
It looks like you've included the angularjs tag. Let's experiment with creating a custom attribute directive for this:
directive('maxHeightBorder', function(){
return {
restrict: 'A',
link: function(scope, el, attr){
if(el.height() >= attr.maxHeightBorder){
el.css('border-bottom','2px solid');
}
}
}
});
Then, use it in your code like this:
<div max-height-border="300"> <!-- set your max height here -->
</div>
Once the rendered height reaches 300px, a 2px solid border-bottom will be displayed
JSFiddle: http://jsfiddle.net/7auQw/
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