tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dyn.js (3184B)

      1 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
      2 * vim: sw=2 ts=2 sts=2 et filetype=javascript
      3 * This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 function loadURL(url,callback) {
      8  var xhttp = new XMLHttpRequest();
      9  xhttp.onreadystatechange = function() {
     10    if (xhttp.readyState == 4 && xhttp.status == 200) {
     11      callback(xhttp.responseText);
     12    }
     13  };
     14  xhttp.open("GET", url, true);
     15  xhttp.send();
     16 }
     17 
     18 function dyn1(selector) {
     19  // get an array of elements matching |selector|
     20  var elems = Array.prototype.slice.call(document.querySelectorAll(selector))
     21 
     22  // remove the first item in each grid
     23  var removed = elems.map(function(e) {
     24    var child = e.children[0];
     25    if (child) {
     26      var next = child.nextSibling;
     27      e.removeChild(child);
     28      return [ e, child, next ];
     29    } else {
     30      return null;
     31    }
     32  });
     33 
     34  document.body.style.display = 'block';
     35  document.body.offsetHeight;
     36 
     37  // insert the removed item
     38  removed.map(function(a) {
     39    if (a) {
     40      a[0].insertBefore(a[1],a[2]);
     41    }
     42  });
     43 }
     44 
     45 function dyn2(selector) {
     46  // get an array of elements matching |selector|
     47  var elems = Array.prototype.slice.call(document.querySelectorAll(selector))
     48 
     49  // inject a new first item in each grid
     50  var inserted = elems.map(function(e) {
     51    var child = document.createElement('span');
     52    e.insertBefore(child, e.firstChild);
     53    return [ e, child ];
     54  });
     55 
     56  document.body.style.display = 'block';
     57  document.body.offsetHeight;
     58 
     59  // remove the inserted item
     60  inserted.map(function(a) {
     61    a[0].removeChild(a[1]);
     62  });
     63 }
     64 
     65 function dyn3(selector) {
     66  // get an array of elements matching |selector|
     67  var elems = Array.prototype.slice.call(document.querySelectorAll(selector))
     68 
     69  // remove the second item in each grid
     70  var removed = elems.map(function(e) {
     71    var child = e.children[1];
     72    if (child) {
     73      var next = child.nextSibling;
     74      e.removeChild(child);
     75      return [ e, child, next ];
     76    } else {
     77      return null;
     78    }
     79  });
     80 
     81  document.body.style.display = 'block';
     82  document.body.offsetHeight;
     83 
     84  // insert the removed items
     85  removed.map(function(a) {
     86    if (a) {
     87      a[0].insertBefore(a[1],a[2]);
     88    }
     89  });
     90 }
     91 
     92 function dyn4(selector) {
     93  dyn3(selector);
     94  dyn2(selector);
     95 }
     96 
     97 function dyn5(selector) {
     98  // get an array of elements matching |selector|
     99  var elems = Array.prototype.slice.call(document.querySelectorAll(selector))
    100 
    101  // inject 20 new items in each grid
    102  var inserted = elems.map(function(e) {
    103    var a = new Array;
    104    for (var i = 0; i < 20; ++i) {
    105      var child = document.createElement('span');
    106      e.insertBefore(child, e.firstChild);
    107      a.push(child);
    108    }
    109    return [ e, a ];
    110  });
    111 
    112  document.body.style.display = 'block';
    113  document.body.offsetHeight;
    114 
    115  // remove the inserted item
    116  inserted.map(function(a) {
    117    a[1].forEach(function(child) {
    118      a[0].removeChild(child);
    119    });
    120  });
    121 }
    122 
    123 function dynamicTest(url, callback) {
    124  document.body.style.display='';
    125  document.body.offsetHeight;
    126  loadURL(url,callback);
    127 }