Created
April 23, 2015 21:04
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createTreeWalker + createDocumentFragment = diff
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<!DOCTYPE html> | |
<html> | |
<head></head> | |
<body> | |
<div class="grid-thumb" id="grid-thumb-viv9" data-style-name="VIV9"> | |
<a class="item-link" href="/shop/designers/vivienne_westwood_anglomania/julia_dress"> | |
<div class="grid-thumb-images"> | |
<img class="current" alt="Vivienne%20Westwood%20Anglomania - Julia%20Dress" width="270" height="405" src="https://pc-ap.renttherunway.com/productimages/front/270x/fc/VIV9.jpg"> | |
<img alt="Vivienne%20Westwood%20Anglomania - Julia%20Dress" width="270" height="405" src="https://pc-ap.renttherunway.com/productimages/side/270x/fc/VIV9.jpg" class=""> | |
<img alt="Vivienne%20Westwood%20Anglomania - Julia%20Dress" width="270" height="405" src="https://pc-ap.renttherunway.com/productimages/back/270x/fc/VIV9.jpg"> | |
</div> | |
<div class="grid-thumb-info "> | |
<div class="thumb-designer subtitle-strong upper">Vivienne Westwood Anglomania</div> | |
<div class="thumb-name subtitle">Julia Dress</div> | |
<div class="thumb-price thumb-price-default subtitle-strong"> | |
$275 | |
rental | |
</div> | |
<div class="thumb-retail subtitle"> | |
$1739 | |
retail | |
</div> | |
</div> | |
</a> | |
<div class="favorite-wrapper heart-wrapper"> | |
<div class="thumb-heart favorite-VIV9 favorite_add s32-heart-lg-off" rel="stylename=VIV9" title="Add to Favorites"></div> | |
</div> | |
</div> | |
<script> | |
function walkerFactory(root) { | |
return document.createTreeWalker( | |
root, | |
NodeFilter.SHOW_ALL, | |
function (n) { | |
if (!/\S/.test(n.nodeValue)) { | |
return NodeFilter.FILTER_SKIP; | |
} | |
return NodeFilter.FILTER_ACCEPT; | |
} | |
); | |
} | |
var el = document.getElementById("grid-thumb-viv9"), | |
frag = document.createDocumentFragment(), | |
walker = walkerFactory(document.body), | |
fragWalker = walkerFactory(frag), | |
diffs = [], | |
diff; | |
frag.appendChild(el.cloneNode(true)); | |
frag.querySelector(".thumb-price-default").textContent = "$285 rental"; | |
while (walker.nextNode() && fragWalker.nextNode()) { | |
if (!walker.currentNode.isEqualNode(fragWalker.currentNode)) { | |
diffs.push([walker.currentNode, fragWalker.currentNode]); | |
} | |
} | |
do { | |
diff = diffs.pop() | |
if (diff[0].isEqualNode(diff[1])) break; | |
if (diff[0].parentNode) { | |
diff[0].parentNode.replaceChild(diff[1].cloneNode(true), diff[0]); | |
} | |
} while (diffs.length) | |
</script> | |
</body> | |
</html> |
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