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+<!doctype html>
+
+<head>
+</head>
+<body>
+
+<script>
+window.onload = function (){
+ var s = Object.getOwnPropertyNames(window);
+
+ var kids = document.getElementById("categories").children;
+ for(var i = 0; i < kids.length; i++){
+ var checkbox = "<input name='opt' id='cat_"+kids[i].id+"' type='checkbox'></input>";
+ kids[i].insertAdjacentHTML("beforeend",checkbox+"Check entire category\n");
+ document.getElementById("cat_"+kids[i].id).addEventListener("click",function(){
+ var nontriv = document.getElementById(this.id.substring(4,this.id.length));
+ for(var j = 0; j < nontriv.children.length; j++){
+ if(this.checked){
+ nontriv.children[j].checked = true;
+ } else{
+ nontriv.children[j].checked = false;
+ }
+ }
+ });
+ }
+
+ for(var i = 0; i < s.length; i++){
+ var checkbox = "<input name='opt' id='"+s[i]+"' type='checkbox'></input>";
+
+ if(s[i].indexOf("HTML") == 0){
+ document.getElementById("html").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("CSS") == 0){
+ document.getElementById("css").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("SVG") == 0){
+ document.getElementById("svg").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("on") == 0){
+ document.getElementById("event").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("RTC") == 0){
+ document.getElementById("rtc").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("HTML") == 0){
+ document.getElementById("html").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("VR") == 0){
+ document.getElementById("vr").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("WebGL") == 0){
+ document.getElementById("webgl").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("DOM") == 0){
+ document.getElementById("dom").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("IDB") == 0){
+ document.getElementById("idb").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("Audio") != -1){
+ document.getElementById("audio").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("Gamepad") == 0){
+ document.getElementById("gamepad").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("Media") == 0){
+ document.getElementById("media").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else if(s[i].indexOf("Event") != -1){
+ document.getElementById("event2").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }else{
+ document.getElementById("other").insertAdjacentHTML("beforeend",checkbox + s[i] + "\n");
+ }
+ }
+
+ document.getElementById("gen").addEventListener("click",function(){
+ var temp = document.getElementsByName("opt");
+ var outputjson = {};
+ for(var i = 1; i < temp.length; i++){
+ outputjson[temp[i].id] = temp[i].checked;
+ }
+ document.getElementById("output").innerHTML = JSON.stringify(outputjson, null, '\t');
+ });
+ document.getElementById("read").addEventListener("click",function(){
+ var inputjson = JSON.parse(document.getElementById("injson").value);
+ console.log(inputjson);
+ var keys = Object.keys(inputjson);
+ for(var i = 0; i < keys.length; i++){
+ console.log(inputjson[keys[i]]);
+ if(inputjson[keys[i]] == true){
+ document.getElementById(keys[i]).checked = true;
+ } else{
+ document.getElementById(keys[i]).checked = false;
+ }
+ }
+ return;
+ });
+}
+</script>
+
+This page allows us to generate the allowed/disallowed object JSON.
+<br>
+<br>
+We know it's up to date because it iterates over all keys of the window variable (which is the global object for browsers)
+<br>
+<br>
+(True = nontrivial, false = trivial)
+<br><br><br>
+<textarea id="injson" rows="4" cols="50"></textarea>
+<br>
+<input id="read" type="button" value="Load JSON"></input>
+<br>
+<input id="gen" type="button" value="Generate"></input>
+<br>
+<pre id="output"></pre>
+<div id="categories">
+
+<pre id="webgl">WebGL
+</pre>
+<pre id="svg">SVG
+</pre>
+<pre id="html">HTML
+</pre>
+<pre id="css">CSS
+</pre>
+<pre id="event">Events
+</pre>
+<pre id="rtc">WebRTC
+</pre>
+<pre id="vr">VR
+</pre>
+<pre id="dom">DOM
+</pre>
+<pre id="idb">IDB
+</pre>
+<pre id="audio">Audio
+</pre>
+<pre id="gamepad">Gamepad
+</pre>
+<pre id="media">Media
+</pre>
+<pre id="event2">Other events
+</pre>
+<pre id="other">All else
+</pre>
+
+</div>
+</body>