dom | 易学教程

How to query text-nodes from DOM, find markdown-patterns, replace matches with HTML-markup and replace the original text-node with the new content?

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问题 Markdown-like functionality for tooltips Problem: Using Vanilla JavaScript I want to: Change this: <div> <p> Hello [world]{big round planet we live on}, how is it [going]{verb that means walking}? </p> <p> It is [fine]{a word that expresses gratitude}. </p> </div> To this: <div> <p> Hello <mark data-toggle="tooltip" data-placement="top" title="big round planet we live on">world</mark>, how is it <mark data-toggle="tooltip" data-placement="top" title="verb means walking">world</mark>? </p> <p>

Java-DOM-Parser: Exception on Transformer.transform

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问题 I'm trying to solve a problem with the domparser since hour. I wrote a simple application to load a xml-file, modify them and write the changes back. It works until I switched converted the project to a maven-project. I'm not sure if thats the problem. I can't understand the exception Here my Code-Part for the DOM-parser: import java.io.File; import java.io.IOException; import javafx.beans.property.BooleanProperty; import javafx.beans.property.SimpleBooleanProperty; import javafx.beans

How to make CefSharp WinForms control Scroll page to Link

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问题 So here is the scenario, using CefSharp in a WinForms application. We have two pieces of information a page url and a link url within that page. We want to load the page - easily done, and have CefSharp show the area of the page where the link is located. That is cefsharp automatically scrolls to the right location on the page where that link is within the DOM. What is the easiest way of doing that? 回答1: Not sure which version you're using, I was able to solve this using the latest stable

Strip tag from text (in React JS)

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问题 I have multiple whole html code in variable cleanHTML and i need to strip specific tags from text. let cleanHTML = document.documentElement.outerHTML this: <span class="remove-me">please</span> <span class="remove-me">me too</span> <span class="remove-me">and me</span> to this: please me too and me I´m trying to do it with: var list = cleanHTML.getElementsByClassName("remove-me"); var i; for (i = 0; i < list.length; i++) { list[i] = list[i].innerHTML; } But i´m getting error from React

Strip tag from text (in React JS)

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<select> tag and returning multiple values to javascript method

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问题 I have an issue with the data which is sent from a drop down menu, the selector only returns a single value, even when multiple values are selected. I have searched online for a solution to this, but they all use PHP, JQuery or some method outside the scope of the course I am taking; to capture multiple selected items. I have tried .value of the individual options, but that returns all of the options rather than just the ones which are selected. Is there some kind of trick to sending multiple

Accessing DOM elements without id

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问题 i have a page around 500 div as below. <div onclick='test()' class='test> <ul class='innermenu'> <li>1</li> ..... </ul> </div> when the test function is called it need to hide the menu (innermenu) who calls that function. my problems are uniquely identify the div without using id How to hide only the particular ul alone. 回答1: OK, first the quick fix, though it is not the best way to use JS on your page: Change the call to this: <div onclick="test(this);" class="test"> Then, in test, use this:

Is it possible to change paragraph tag to header tag by using JavaScript?

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问题 I'm trying to change a paragraph element by its ID in JavaScript to a h1 . My HTML <body> <p id="damn"> Hello </p> </body> My JavaScript <script> document.getElementByID("damn").<required missing code to change to h1> </script> The required result is <body> <h1 id="damn"> Hello </h1> </body> 回答1: function changeTagName(el, newTagName) { var n = document.createElement(newTagName); var attr = el.attributes; for (var i = 0, len = attr.length; i < len; ++i) { n.setAttribute(attr[i].name, attr[i]

DOM node child collections--what's the difference?

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问题 What's the difference between the children and childNodes collections of a node? And childElementCount and childNodes.length? 回答1: element.childNodes and element.childNodes.length : includes child elements, text nodes (including whitespace nodes between elements) and comments (plus potentially CDATASections, ProcessingInstructions, DocumentTypes and EntityReferences, depending on the document and parser). Defined by the DOM Level 1 Core standard and has been available on every browser for

Add React elements dynamically depending on the content height

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问题 I have a blog post page, which have a component named PostContent that contains the text of the post. What I want to achieve is to dynamically add some content among the paragraphs of this PostContent depending on its length. I will do that by introducing the mentioned content with a distance of 1.5x viewport's height. The problem I have is I cannot calculate the distance. I am using https://www.npmjs.com/package/html-react-parser but I cannot access to the offsetHeight property of the DOM