PROBLEM:
Offsetting an html anchor to adjust for fixed header?
SOLUTION 1:
You could use CSS without any javascript .
Give your anchor a class:
HTML CODE
="<a classanchor" id="top"></a>
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You can then position the anchor with an offset higher or lower than where it actually appears on the page, by making it a block element by relatively positioning it. -250px will position the anchor upto 250px
CSS CODE
a.anchor { display: block; position: relative; top: -250px; visibility: hidden; }
SOLUTION 2:
This is another solution using HTML code  for offseting an html anchor:
HTML CODE
<a name="mywikianchor"> <h1 style="padding-top: 40px; margin-top: -40px;">My anchor</h1> </a>
This doesn’t create any gap in the content and anchor links works.
SOLUTION 3:
CSS solution :
CSS CODE
a[name] { padding-top: 40px; margin-top: -40px; display: inline-block; /* required for webkit browsers */ }
In CSS , optionally you may want to add the following if the target is still off the screen:
CSS CODE
vertical-align: top;
SOLUTION 4:
This is one of the solution:
CSS CODE
*[id]:before { display: block; content: " "; margin-top: -75px; height: 75px; visibility: hidden; }
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SOLUTION 5:
 HTML :
HTML CODE
<div id="#anchor"></div> <!-- #anchor here is the anchor tag which is on your URL -->
JavaScript :
JAVASCRIPT CODE
$(function() { $('a[href*=#]:not([href=#])').click(function() { if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) { var target = $(this.hash); target = target.length ? target : $('[name=' + this.hash.slice(1) +']'); if (target.length) { $('html,body').animate( { scrollTop: target.offset().top - 125 //offsets for fixed header } , 1000);return false; } } }); //Executed on page load with URL containing an anchor tag. if($(location.href.split("#")[1])) { var target = $('#'+location.href.split("#")[1]); if (target.length) { $('html,body').animate( { scrollTop: target.offset().top - 125 //offset height of header here too. }, 1000); return false; } }});
SOLUTION 6:
CSS CODE
a[id]:before { content:""; display:block; height:50px; margin:-30px 0 0; }
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That will append a pseudo-element before every a-tag with an id. Adjust values to match the height of your header.
SOLUTION 7:
For modern browsers, just add the CSS3 :target selector to the page. This will apply to all the anchors automatically.
CSS CODE
:target { display: block; position: relative; top: -100px; visibility: hidden; }
SOLUTION 8:
Adjust the height and the negative margin to the offset you need…
CSS CODE
:target:before { content: ""; display: inline-block; height: 180px; margin: -180px 0 0; }
SOLUTION 9:
You can include a smooth-scroll effect to the anchor, while making it stop at -60px above the anchor, fitting nicely underneath the fixed bootstrap navigation bar (requires jQuery ):
JAVASCRIPT CODE
$(".dropdown-menu a[href^='#']").on('click', function(e) { // prevent default anchor click behavior e.preventDefault(); // animate $('html, body').animate( { scrollTop: $(this.hash).offset().top - 60 }, 300, function() { }); });
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SOLUTION 10:
We added 40px-height .wiki element holding the anchor before each h1 elements.
HTML CODE
<div class="wiki" id="gherkin"></div> <div class="page-header"> <h1>wikitechy</h1> </div>
CSS:
CSS CODE
.wiki { height: 40px; }
nice and easy
good work the article is very interesting
nice and easy
best
Easy.
nice