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Auto-deploying built products to gh-pages with Travis

This is a set up for projects which want to check in only their source files, but have their gh-pages branch automatically updated with some compiled output every time they push.

Create a compile script

You want a script that does a local compile to e.g. an out/ directory. Let's call this compile.sh for our purposes, but for your project it might be npm build or gulp make-docs or anything similar.

The out/ directory should contain everything you want deployed to gh-pages. That almost always includes an index.html.

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function copyStyles(sourceDoc, targetDoc) {
  Array.from(sourceDoc.styleSheets).forEach(styleSheet => {
    if (styleSheet.cssRules) { // for <style> elements
      const newStyleEl = sourceDoc.createElement('style');

      Array.from(styleSheet.cssRules).forEach(cssRule => {
        // write the text of each rule into the body of the style element
        newStyleEl.appendChild(sourceDoc.createTextNode(cssRule.cssText));
      });

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/*!
 * Copyright 2015 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Element

Box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
• elem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeight
• elem.getClientRects(), elem.getBoundingClientRect()

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IE6 Only
==================
_selector {...}

IE6 & IE7
==================
*html or { _property: }

IE7 Only
==================