The Document Object Model (DOM) is an application programming interface (API) for valid HTML and well-formed XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.

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HTML5 sectioning for my design

I've designed my new website: Now I want to build up my HTML as semantic as possible. Here's my first attempt / set-up: ...
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1answer
70 views

Editing HTML based on instructions in a data structure

My getExtend() function, which will be included via require.js, has two inputs and one output: HTML file content config object which determine how to ...
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1answer
20 views

iframe play & thumbnail function

This is quite a simple function, but I just wanted some opinions on it, like is this the correct way to run a function and check if an element exists or not? ...
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0answers
16 views

Manipulate original DOM in React.js

As an introduction, I would like to have my inputs validated with the built-in validation HTML5 attributes, e.g. use pattern for text input. So this is my sample code that implements that. Is it ...
5
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1answer
44 views

Adding a replica of some DOM elements on click

I have the following code which inserts a new element of the same type over and over again to the parent element. I am new to JavaScript so was wondering if there was a better way of doing this. I ...
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1answer
47 views

Custom each method

I have developed the following method for each as a replacement for $.each, and I am considering using it in my personal lightweight js library called LIBJS. The final version will be part of a ...
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1answer
131 views

Remove the object's sibling on click

In my program below I am getting the parent node game 1 and then removing one of the two child nodes, depending on which one is clicked. I currently have two event ...
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1answer
39 views

Renaming the iframe src attribute to facilitate lazy loading

I'm not great with javascript. I need some code to rename all iframe src attribute names to data-src, for a lazyload plugin to ...
3
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1answer
60 views

Script to pick random answers for a vocabulary quiz

I am making a small script, which, when run in the console on Vocabulary.com, picks one answer (the third or fourth) and clicks. Then the code checks if the answer was wrong or right and goes to the ...
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2answers
64 views

Keyboard handler to move a shape in response to arrow keys

I finished Codeacademy and I'm looking to practice and get better at JavaScript. Is this coded correctly or should I have made a function for it somehow? The purpose of this code is to move a square ...
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1answer
30 views

Minimalist HyperScript implementation

I've tried to roll out my own HyperScript implementation. I would be interested in any suggestions to improve it or point me to any other better implementation which is still maintained. I checked the ...
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3answers
73 views

JavaScript for toggling appearance

I have a dedicated stylesheet <style id="dynamicStyles"></style> for my page's dynamic styles. They are controlled by this JavaScript: ...
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1answer
30 views
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29 views

PHP FormBuilder class

I've taken some suggestions from this question and tried to build my own FormBuilder class. It's supposed to work like this: Creates an object of type form ...
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0answers
28 views

Large table updates using AJAX in Internet Explorer 11 (Cont'd)

Previous topic: Large table updates using AJAX in Internet Explorer 11 For the functions included here, I have taken the advice of the previous answer and incorporated it in the restructure, but am ...
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1answer
69 views

Generating calendar months for a datepicker

I got a problem I'm finding pretty hard to solve. I'm trying to generate calendar months for a datepicker but at only 12 months I see a perf of around ~4-7ms. This doesn't sound like a problem but it ...
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0answers
45 views

Angular resize directive

I have created this directive in Angular. The idea is to calculate width of height and height of specific element via style function attached to ng-style on the same element. The directive uses ...
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3answers
72 views
6
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2answers
85 views

Hours:Minutes Addition

I wrote this simple page to help at work, and as an exercise to get more familiar with JavaScript. I'm especially interested in help with style and structure - is this "standard"? I know the input ...
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2answers
51 views

Extracting distinct HTML list items into a JavaScript array

This code is made to generate a list of unique elements of the array made of the other two arrays. The fact that we need two lists to convert in two different array is part of the task. This code ...
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1answer
23 views

Checking if a tag is on the screen

This function receives an HTMLElement as an argument and returns true if the tag is on the screen and ...
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1answer
96 views

Animating sprite without libraries

I'm building a small game in pure JS for my own learning purposes, using sprites to model players. Before I go further, I want to try to get the animation down. The below code should produce a blank ...
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1answer
29 views

Scrolling with an easing function

I wanted to write a function that when invoked, will scroll the page downwards in a smooth fashion. Comments and criticism welcome. I don't like, for example that determining whether it is done is ...
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3answers
89 views
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2answers
94 views

Dynamically creating elements with an object constructor

Just experimenting with various Javascript techniques and was wondering if the code below is valid and if there are any disadvantages to using this technique to create html tags from JS object ...
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2answers
61 views

Show and hide posts using setTimeout

I have made an effect that has the h1 move and then reveals p using .addClass, ...
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1answer
745 views

Converting partial XML (Node List) to a String

I have a need to extract a part of XML tree (everything under root) and convert it to a string. (The result string will be later pasted inside ...
11
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2answers
141 views

Early Access: Dynamically expanding input element table

This code is in a really early state in the lifecycle. I'm still in the process of implementing some core features, but nevertheless the code up to here works and accomplishes its task. I have no ...
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3answers
865 views

Lights on: playing with buttons in Javascript

First play with the game a little bit, and it is quite fun (a little hard but very satisfying when you win, be sure to put it full page): ...
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1answer
60 views

Limiting the number of text fields created

I need to make sure that the max of text fields created is limited to 10 at most. It's a script that I've ripped off elsewhere, and have modified it via help from StackOverflow on a couple of other ...
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1answer
3k views

HTML and JS to dynamically load, refresh, and execute JavaScript from external file

The following code is designed to load and refresh JavaScript code from an external file sandbox.js and allow it to be refreshed dynamically and executed without ...
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1answer
63 views

jsonToDOM Function

For the MDN documentation website we have written this jsonToDOM function and I was wondering how you all would improve it. It takes a json structure and creates ...
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1answer
85 views

Generate form and append to the body

I'm writing a plugin and want it to have no dependencies. I create a form and append it to the page, but the code is really long. Does anyone have any suggestions to clean it up, perhaps shortening ...
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1answer
82 views

Organize dynamic HTML generation function for audio player

I have some code that's part of my music-js library, and most of it is very organized, using object-oriented design for my AudioAnalyser and ...
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1answer
233 views

Use DOM and XPath to make some changes in HTML document

I intend to make some changes in an HTML document, like remove, replace, append some nodes. I have several arrays with same structure like the following example ...
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1answer
248 views

Sending Ajax requests and updating DOM

I wrote some ugly JavaScript that is responsible for sending Ajax requests and update the DOM. I'm using it to show user progress of background jobs. ...
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0answers
44 views

Appending a group name to each committee member

I wrote this script to get text, if it equals, append the name of the group to a person's information. I know using .each() is gpu intensive and this feels like a ...
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votes
1answer
1k views

Truncating text with jQuery but keep the HTML formatting

I repeat here this answer on Stack Overflow. I first posted an answer with not finalized code, as a simple description of the solution I could think, without any test. But later I remained ...
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2answers
56 views

Filling in comment replies when link is clicked

To append data I am using parent() method five times in the code and I think it seems like an ugly way to do this. ...
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1answer
32 views

Extracting a list of hyperlinks [closed]

I need to produce a list objCollector with some results: ...
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1answer
3k views

Use Promise to wait until DOM element exists

I need to create a JavaScript Promise that will not resolve until a specific HTML element is loaded on the page. I don't have any way of knowing when this element will be loaded, other than to simply ...
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1answer
460 views

Practicing recursion with getElementsByClassName

I'm trying to get a good grasp on recursion by implementing document.getElementsByClassName. I've made something that works but I'd like to know if there is some ...
5
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1answer
271 views

jQuery selector function in JavaScript

I've reproduced the jQuery selector function in JavaScript. Here are the two rules that come with this function: You may not use any JavaScript libraries. ...
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1answer
85 views

Adapting new design pattern with post handler

I'm currently using this pattern in my JavaScript code. Somewhere in my code I use Dnianas.Post.init. init fires and it will ...
1
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1answer
786 views

Get InnerHTML, OuterHTML, and plain text of an element by ID or class

I do a fair amount of scraping but I am by no way a good PHP programmer. I always struggle to get the innerhtml of elements using PHP, domdocument and XPath. I have cobbled together a couple of ...
2
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1answer
105 views

DOM Traverser in JavaScript

I'm writing a function in JavaScript which, when given an element, can look for the previous or next node, assuming a depth-first order traversal. If the next element is out of bounds, it should ...
2
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2answers
70 views

Toggling classes on many elements when a button is tapped

I have this very easy functionality to find, toggle and remove classes from my html elements. The thing is that I find my self repeating the same code with just different name classes. I basically ...
2
votes
1answer
66 views

Slider with JavaScript

I built this simple slider with JS, but I am not so experienced with programming and I wonder what can be improved in this code, how to dry it, or how to apply some OOP paradigms to it, what is not ...
6
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1answer
3k views

Simple todo list

Can someone tell me how good/bad this code is for a super simple todo list made from vanilla JavaScript? Anything to work on or consider on my next projects? ...
3
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2answers
106 views

Piccoche - a coordination game

Click the divs to remove them. Remove all div's in the shortest time and minimal clicks (to do). Code needs streamlining. ...