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    <p>Phew! I finished!</p> <p>JS :</p> <pre><code>var x=0,y=0;//Here are the given X and Y, you can change them var idClosest;//Id of the nearest anchor var smallestIndex; var couplesXY=[]; var allAnchors; var html=document.getElementsByTagName("html")[0]; html.style.width="3000px";//You can change 3000, it's to make the possibility of horizontal scroll html.style.height="3000px";//Here too function random(min,max) { var nb=min+(max+1-min)*Math.random(); return Math.floor(nb); } function left(obj)//A remixed function of this site http://www.quirksmode.org/js/findpos.html { if(obj.style.position=="absolute")return parseInt(obj.style.left); var posX=0; if(!obj.offsetParent)return; do posX+=obj.offsetLeft; while(obj=obj.offsetParent); return posX; } function top(obj) { if(obj.style.position=="absolute")return parseInt(obj.style.top); var posY=0; if(!obj.offsetParent)return; do posY+=obj.offsetTop; while(obj=obj.offsetParent); return posY; } function generateRandomAnchors()//Just for the exemple, you can delete the function if you have already anchors { for(var a=0;a&lt;50;a++)//You can change 50 { var anchor=document.createElement("a"); anchor.style.position="absolute"; anchor.style.width=random(0,100)+"px";//You can change 100 anchor.style.height=random(0,100)+"px";//You can change 100 anchor.style.left=random(0,3000-parseInt(anchor.style.width))+"px";//If you changed 3000 from anchor.style.top=random(0,3000-parseInt(anchor.style.height))+"px";//the top, change it here anchor.style.backgroundColor="black"; anchor.id="Anchor"+a; document.body.appendChild(anchor); } } function getAllAnchors() { allAnchors=document.getElementsByTagName("a"); for(var a=0;a&lt;allAnchors.length;a++) { couplesXY[a]=[]; couplesXY[a][0]=left(allAnchors[a]); couplesXY[a][1]=top(allAnchors[a]); } } function findClosestAnchor() { var distances=[]; for(var a=0;a&lt;couplesXY.length;a++)distances.push(Math.pow((x-couplesXY[a][0]),2)+Math.pow((y-couplesXY[a][1]),2));//Math formula to get the distance from A to B (http://euler.ac-versailles.fr/baseeuler/lexique/notion.jsp?id=122). I removed the square root not to slow down the calculations var smallest=distances[0]; smallestIndex=0; for(var a=1;a&lt;distances.length;a++)if(smallest&gt;distances[a]) { smallest=distances[a]; smallestIndex=a; } idClosest=allAnchors[smallestIndex].id; alert(idClosest); } function jumpToIt() { window.scrollTo(couplesXY[smallestIndex][0],couplesXY[smallestIndex][1]); allAnchors[smallestIndex].style.backgroundColor="red";//Color it to see it } generateRandomAnchors(); getAllAnchors(); findClosestAnchor(); jumpToIt(); </code></pre> <p>Fiddle : <a href="http://jsfiddle.net/W8LBs/2" rel="nofollow">http://jsfiddle.net/W8LBs/2</a></p> <p>PS : If you open this fiddle on a smartphone, it doesn't work (I don't know why) but if you copy this code in a sample on a smartphone, it works (but you must specify the <code>&lt;html&gt;</code> and the <code>&lt;body&gt;</code> section).</p>
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    1. POFinding closest anchor href via scrollOffset
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    1. COI do not have access to smartphone, but **jsFiddle** can be set to different HTML Doctype by accessing **INFO** on *Left Pane*. Default setting is **HTML5**. Also, maybe if you change empty body section to contain simple html and body tags it will then work on smartphone.
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    2. COAfter looking a bit closer at your code, it looks like you tried to adapt for your own use the `findPos` function from Peter-Paul Koch that I also used, but you did it in a bad way. In your `left` and `top` functions, where does this undefined `obj` variable come from ?
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    3. COThank you! I corrected it! I have adapted it so it gives the position even if the position is set to absolute.
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