The art of browser manipulation: Javascript positioning

My issue revolves around the positioning of a Hello Bar. The CSS is set to relative, which has caused the entire site to be pushed down. To address this issue, I have implemented the following JavaScript function:

 <script language="javascript">
 $(window).scroll(function(){
 var $this = $(this);
 $("#hello_bar").css("position", "fixed");
 $('#hello_bar').css('position', "absolute" - $this.scrollTop());
 });
 </script>

Upon scrolling down the page and returning to the top, the content ends up behind the bar. How can I go about resolving this?

javascriptjquerycss

Answer №1

To achieve the desired effect, adjust the padding-top of the following element (the p tag) to match the calculated value based on the height and ratio of padding-top / padding-bottom of the #hello_bar div. In this scenario, the calculated value is 60px. It is important to execute this function only once to conserve CPU resources after initial execution.

var functionExecuted = false;    
$(window).scroll(function(){
 if (true === functionExecuted) {
     return;
 }
 var helloBarElement = $("#hello_bar"),
     nextElement = helloBarElement.next();  // p
     paddingValue = parseInt(helloBarElement.css('padding-top'))
         + parseInt(helloBarElement.css('padding-bottom')) 
         + parseInt(helloBarElement.css('height')); 

     nextElement.css('padding-top', paddingValue + 'px');
     functionExecuted = true;
 });

Answer №2

Switch the positioning from "absolute" to "relative".

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