Is this by itself dangerous in any way? My point being, can just the simple act of creating a DOM somehow inject anything, or is it just simply processed and the structure is created? Simply creating an element without appending it to the dom will not cause any script to run since it is purely … Read more
I was able to dynamically add nodes by adding the following code in the toggle function: $.getJSON(addthese.json, function(addTheseJSON) { var newnodes = tree.nodes(addTheseJSON.children).reverse(); d.children = newnodes[0]; update(d); }); Notes: I am using jQuery to retrieve the json file
This is similar to the answer from palswim, except that it doesn’t bother with creating a clone, and uses a while() loop instead, always appending the node at [0]. function createElement( str ) { var frag = document.createDocumentFragment(); var elem = document.createElement(‘div’); elem.innerHTML = str; while (elem.childNodes[0]) { frag.appendChild(elem.childNodes[0]); } return frag; }
It’s all about endlines and whitespace – browsers are very inconsistent in this regard, especially so in Internet Explorer. Doing the traversal is a sure-fire way to get identical results in all browsers.
For those looking for a practical solution, see: How to find event listeners on a DOM node when debugging or from the JavaScript code? EventListenerList was in some old draft of DOM 3 Events and was long removed from the spec. As far as I know, at least Gecko still doesn’t have anything like this … Read more
Check out Web Harvest. It’s both a library you can use and a data extraction tool, which sounds to me that’s exactly what you want to do. You create XML script files to instruct the scraper how to extract the information you need and from where. The provided GUI is very useful to quickly test … Read more
Updated for 2021 You can do this in any Chromium-based browser (e.g. Brave, Dissenter, Edge, etc.): Open the “Developer Tools” (F12 or Ctrl+Shift+I) from the Ellipsis (…) menu. Go to the “Network” tab. Click the little Record button at the left. Refresh the page and/or perform actions to trigger desired events. Refreshing will show you … Read more
First of all, it’s worth noting that the second argument in the insert function is a before selector. Furthermore, chained operations act on the left hand result. So you have done // select all the g elements (only 1) d3.select(“g”) // For each g, insert a text element before “path.data” .insert(“text”, “path.data”); You want to … Read more
With the open mode you can access the Shadow DOM via the shadowRoot property of the HTML element. With the closed mode you cannot. shadowRoot will return null. You can use both modes for you want to achieve. Here is a detailed explanation of the differences.
In general terms a DOM is a model for a structured document. It is a central concept in today’s IT and no developer can opt out of DOM. Be it in .net, in HTML, in XML or other domains where it is used. It applies to all documents (word documents, HTML pages, XML files, etc). … Read more