This technique is no longer recommended and you should use Dan's solution if you do not need to support version of InternetExplorer before 7. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. In other words, the result is the same as elem.querySelectorAll(css)[0], but the latter is looking for all elements and picking one, while elem.querySelector just looks for one. Javascript: Get current page CURRENT source. function myFunction (obj) { var value = obj.value; // the value of the textbox } myfunction vs myFunction ? If you modify DOM, it can affect the element's visibility. If you are just obtaining the HTML element, however, document.body.parentNode seems to be quite a bit faster. Your code doesn't work, because getElementById returns a single HTML element, not an array-like collection of elements that has a length property, Why does CNN's gravity hole in the Indian Ocean dip the sea level instead of raising it? You should take control over that and call handler() manually. Tip: To those trying to implement this with jQuery, just a friendly reminder to pass in the HTML DOM object (e.g.. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. contains() is used to see if the element returned by document.elementFromPoint() is a child node of the element we're testing for visibility. How can I define a sequence of Integers which only contains the first k integers, then doesnt contain the next j integers, and so on, Cartoon in which the protagonist used a portal in a theater to travel to other worlds, where he captured monsters. There are one million answers and most are ridiculously long. Press Enter to start a new line and start typing . Both element.getBoundingClientRect() and document.elementFromPoint() are part of the CSSOM Working Draft specification and are supported in at least IE 6 and later and most desktop browsers for a long time (albeit, not perfectly). The returned value is a TextRectangle object, which contains read-only left, top, right and bottom Getting DOM element information from javascript, How to get concrete element in HTML with javascript. Great solution it has a BOX/ScrollContainer and is not using the WINDOW (only if its not specified). This solution ignored the fact that elements may not be visible due to other facts, like opacity: 0. Is it a concern? Now that it's 2013, calling "domnode.outerHTML" works on all major browsers (FF since v11), the problem with getting the innerHTML for the div's parent is that I'll also get the innerHTML for the div's siblings, My bad, I thought the "put an id attribute on the element" referred to "the element". Then, you can use length on that. So, what it is kept are the styles, not the used selectors. getElementById ( "div1" ); javascript - check if table row is in view. 1. Here we have the document object. Making statements based on opinion; back them up with references or personal experience. then I need to update the attribute? How do I get HTML corresponding to current DOM tree? You are seeing this with what you've shown in your second question. Is saying "dot com" a valid clue for Codenames? That's why one can get document contents of an iframe by using it. If no matches are found, null is returned. This function checks if the element is in the viewport on vertical level. hi - on balance this is probably my best option. 2 Answers. You can use a class instead of id. 2- Use only transform and no css positioning: Consider adding WHY this is the best solution since OP never mentioned jquery. This code is more effective in drawing cases. How do I grab (and use) the element being clicked in javascript/jQuery? First, put on element that wraps the div in question, put an id attribute on the element and then use getElementById on it: once you've got the lement, just do 'e.innerHTML` to retrieve the HTML. Can I spin 3753 Cruithne and keep it spinning? Mutation Events are deprecated and Mutation Observers are a replacement for the same. This will help others answer the question. You should try and explain why your version is better. Use the Element.getBoundingClientRect () Function to Get the Position of an Element in JavaScript. Why is a dedicated compresser more efficient than using bleed air to pressurize the cabin? What's the DC of a Devourer's "trap essence" attack? Returns the width of the top border of an element. This might be expensive if the element you wish to print has a very large tree below it, though. console.log(elements.length); I am using: $ (document).click All the answers here are determining if the element is fully contained within the viewport, not just visible in some way. This code is made for more precise information if any part of the element is shown in the view or not. A demonstration without crossSearchAlgorithm which is usefull for elements bigger than viewport check element3 inner pixels to see: You see, when you are inside the element3 it fails to tell if it's visible or not, because we are only checking if the element is visible from sides or corners. This would give you the opportunity to do the shortest path if you see an id in the array. I know this post is really old but, to get the contents of an element in reference to its ID, this is what I would do: This is the esiest way to get clicked element in javascript. clientHeight. If not, go back to Scroll into view and start over. Passing test: http://jsfiddle.net/AndyE/cAY8c/. The following will return the container element of the start or end boundary of the current selection, using the boolean isStart to specify whether you want @Derek this is an interesting point! Why do capacitors have less energy density than batteries? Furthermore, I think nor jQuery nor the browser keep trace of selectors used through javascript code or stylesheet file; selectors are used to reference one or more DOM elements, to eventually apply styles to them. Is it better to use swiss pass or rent a car? ; When the ref attribute is used on a custom class component, the ref object receives the mounted instance of the component as its 2. -Most of them are checking only for a singular element inside a document or window. The closest () method of the Element interface traverses the element and its parents (heading toward the document root) until it finds a node that matches the specified CSS selector. When you use a setTimeout () between 10 and 30ms, sometimes the DOM rendered again quick enough for your console.log () to now execute on the But when I try to get innerHTML for that element, I am getting the previous innerHTML instead I want to print current DOM innerHTML. How do I check if an array includes a value in JavaScript? Line integral on implicit region that can't easily be transformed to parametric region. doABarrelRoll721. Can I spin 3753 Cruithne and keep it spinning? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Also, it uses decimal (0 to 1) instead of percentage for the required visible fraction. Chrome (at least) must wait for the image to be loaded to have the exact value for the boundingRectangle. If not, only the body tag will return in most cases, Should be mentioned in this day and age that, Good call. Assigning events to elements from getElementsByClassName, getElementByClassName does not work where getElementById does (browser supported), How to get the elementByClassName of another element, Select current element from getElementsbyClassName. Unfortunately, we don't have any cross browser onrepaint event. but when user enters somevalue in text box? Maybe it's just my Text editor that color codes it all that still makes it easy to read. How difficult was it to spoof the sender of a telegram in 1890-1920's in USA? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Element.innerHTML only returns: Expanding on jldupont's answer, you could create a wrapping element on the fly: I am cloning the element to avoid having to remove and reinsert the element in the actual document. delegate takes advantage of the event bubbling by letting one element listen for, and handle, events on child elements. Well, for all these problems I've a solution and the plus sides are: -You can return visible when only a pixel from any sides shows up and is not a corner. then use in javascript the following function to get the ID. I am trying to retrive html of a dom element "abc". old question but for newcomers that come around : You'll want something like this for it to be cross browser. For example: Which would pass Note: Method 2,3,4 and 6 returns a collection of elements, so use [whole_number] to get the desired occurrence. If so, you can wrap your code into the DOMContentLoaded event: document.addEventListener ('DOMContentLoaded', function () { console.log (document.getElementById (':ik').textContent); }); But if you really want to get the element by its aria label, you can do Conclusions from title-drafting and question-content assistance experiments How to get the HTML for a DOM element in javascript. Why do capacitors have less energy density than batteries? Seems that Firefox does not have this "problem", Does it work when you have scrolling enabled in a container inside body. How do I remove a property from a JavaScript object? -You can choose your parent element or you can automatically let it choose. The HTMLElement.focus () method sets focus on the specified element, if it can be focused. Is it possible for javascript to get a reference to the current DOM element it is nested in? Why do capacitors have less energy density than batteries? Library.IsElementVisibleInContainer = function (elementSelector, containerSelector) { var containerViewTop = $ (containerSelector).offset ().top; var containerViewBottom = containerViewTop + $ attached CSS applied and drawn). var message_lines = $ ("#message_container") [0].getClientRects (); It returns a javascript DOM object. This example finds the element with id="intro": Example const element = Assuming you mean "HTMLElementNodes" as opposed to "All nodes" (which would include such things as text nodes and also be skipped by your jQuery example) then: document.getElementsByTagName ('*').length. And a jsFiddle as required: https://jsfiddle.net/on1g619L/1/. A DOM Node (which may be an Element) within the DOM tree to watch for changes, or to be the root of a subtree of nodes to be watched.. options. How to check whether a string contains a substring in JavaScript? WebJust to add to the other answers, there are still noteworthy differences here, specifically when dealing with