Locate a DIV and CLASS and create an IMAGE element using JAVASCRIPT

I had this weird request the other day, well today to replace an image thumbnail that was generated by an aspx script, but the link was from youtube and the list was not auto loading the thumbnail.&nb..

fade in and out elements on scroll - css js html

React - Use State to Toggle an Element

Mastering React State: Toggling Elements with Confidence React's state management system is a powerful tool for building dynamic and interactive user interfaces. One common use case involves to..

make an image or element grayscale switch on mouse over

mouse over the image to see the effect also used: transitions random image

rotate an element when its hover

add and remove the class open to rotate

rotate an element when its selected

add and remove the class open to rotate

make clickable element with clickable class open link in new window

makes an element with a link into a clickable element. This finds the 1st a tag in the target element and then opens the link in a _blank tab. Then if you have an element that you want to be clickabl..

using preg_match to extract text from elements

using preg_match to extract specified text from elements I also tried this search "if you have the start and end of a string extract the middle with php" as thats really all i need it to do, i have t..

javascript add class to element

how to add a class to an element in raw javascript I wrote a quick demo here showing how you can add a class to an element with an id on a button click

update value of element using javascript

using innerHTML to update the value of an element

get the value from a textarea element

gets the value from the textarea and prints it to the console of the browser rather than using innerHTML you have to use value.

javascript get content from element

gets the content from a target element with javascript using its id sets the target with the content from element 1 using its innerHTML attribute

Using Destructuring and the Rest Parameter to Reassign Array Elements

Use destructuring assignment with the rest parameter to perform an effective Array.prototype.slice() so that arr is a sub-array of the original array source with the firs..

get element by id and hide it

This example gets an element by its id and hides it by setting the css style value to display none 

get element by id with javascript

gets an element using its id using javascript

foundation three boxes with text align links to the bottom of element

For some reason i had the request to align the links in three boxes with different height text, not sure why they wanted them aligned, but i guess my task is not too question that but to fix it. ..

using css counter-increment to add numbering to elements

i just found this element in css where you can add numbering to elements, very handy to add counters and things.  This uses the counter-increment: section; in the main element and then adds the ..

How to Render HTML Elements to the DOM with React

Once you have a JSX element defined you can write it to the page with ReactDOM.render(componentToRender, targetNode),  In this example we are targeting the div with the id challenge-node. JSX ..

Create a Complex JSX Element

JSX must return a single element, so you must wrap your items in a div element you cant just return a bunch of p tags.  Define a new constant JSX that renders a div which con..

Create a Simple JSX Element

The current code uses JSX to assign a div element to the constant JSX. Replace the div with an h1 element and add the text Hello JSX! inside it.

change selected color on input elements css

this can be useful if you are using darker form elements and they happen to have white on white text, so you can target the :focus on the input. here is the text input before the colour change, the c..

change the box-shadow of an element with javascript boxShadow

changes the box shadow of test_div using the javascript object(?) boxShadow

change the background color of an element with javascript

gets the element by its id and changes the background color style css value the following example: gets the element by its id "my_bg" changes the style.backgroundColor to #123456

change the border radius of an element with javascript only

change padding of element with javascript

change the padding of an element with javascript only

simulate a click on an element with jquery

you can actually use jquery to simulate a click event using the following .click() so as soon as the document is ready and you have jquery loaded it will run the click event for you, and should pop ..

right align something in its element

easily align a block or inline block item to the right in its outer element

jquery check if a sub element exists

this can be done with .length

zoom background of element when active

I just wanted to see if something like this zoom was possible but just using the background image and leaving the foreground content in the element with no zoom.  https://kruxor.com/view/code/kM..

set the html of an element javascript

this will set the innerhtml value of an element

get the value of an input form element (input value)

add how to get the value of an input form element with javascript for some reason i can get this working with: Javascript console.log(document.getElementById("my_input").value); but when trying to..

slick carousel jump to a slide on element hover

jumps to a specific slider on hover over on an element this is working now, here is the example, mouse over the buttons to see the slide change. trying to add this: Javascript $( selector ).mous..

spin rotate an element on mouse over [css]

i thought it might look good to spin this element around when the mouse is over it. Added the following css to second_nav_toggle.  

animate and zoom six elements on a timer [addClass, removeClass, setTimeout]

set of six elements that i wanted to highlight using a simple setTimeout and the addClass and removeClass  this also involves some css changes to get this working i would also like in the fut..

change the cursor to a pointer for an element

i find this class quite useful if you are adding a javascript click event to an element, and need the mouse to look like its a click item rather than just a normal item. If you mouse over the test ..

set maxHeight of element by id with javascript

sets the max height value of an element with javascript demo pending

bootstrap toggle element collapse

the example code for toggling elements, show and hide

using jquery appear for checking if an element is visible on screen

Yes.. sometimes i like using jquery as well, as it can make things so easy! :) Here is a quick demo using the JQuery Appear plugin so make an element change if it on or off screen.  Plugin Link..

country select javascript check which option is selected and show a hidden element

this shows a country dropdown and then if a selected country name is matched it will show the second part of the form for this test australia is the confirmed country

php countries array to dropdown form element

here we generate a form dropdown from a php countries array using the country code as the name of the form option

fix for Uncaught (in promise) Error: reCAPTCHA placeholder element must be empty

This is usually caused by something being inside the element used to render the reCAPTCHA. In this case tinymce was adding a &nbsp; or a <p> tag to the element Removed the space and this f..

get element by class name with javascript and change it function

You may have seen the get element by id in javascript, which is great when there is only one element but what if you need to get the element using its class name The issue with classes is that they c..

remove the first element in an array with shift

like pop but shift does the 1st element in an array

Move any element with css offsets

Make any element moveable without moving other items around by making it position: relative;

using flexbox to align elements in a row

flexbox is so good at aligning elements, yes i used to use float left and then percentages and overflow auto or hidden the surrounding div, but now with flex you can just do something like this.

Using nth-child css to hide list items or repeated elements

Lets say that i have a list like this: <div class='my-awesome-list'><div class='a-list-item'>yay im a list item</div><div class='a-list-item'>yay im a list item</div><..

hide and show elements with js using getElementById and style.display

remove all of an element in a string &lt;h1&gt;

good if you want to remove all of the instances of an element in a string like if you have a <h1> tag in your string and want to remove it you can use the following code. $additional = "some te..

count the elements in an array

seems easy, if you need to know the amount of elements in an array this is how you do it. good if you need to know where the end of an array is. code <pre> <?php $array = [ "yo", ..

validate form data using javascript to check required html elements

for use in a javascript function to submit a form var form = document.getElementById('myForm'); for(var i=0; i < form.elements.length; i++){ if(form.elements[i].value === '' && form.elements[i..

json loop load elements

Loading json content from a url can be tricky, there are a few different things you need to watch out for. Here is some examples using an example json feed. Load the feed this will load the feed and..

check length of element jquery

this one can be good for checking if an element exists before doing something with it and can stop warning messages if you are running the script on multiple pages. if ($('#mydivid').length) { con..

find all elements add class jquery

this will grab all a elements, and dump them to the console. var allLinkElements = $( "a" ); console.log(allLinkElements); then we need to split into a jquery object, this is a jquery version of an..

jquery clone and append elements

This jquery function clones an element and appends it to another one.  Here is the basic code: $( ".clone-me" ).clone().appendTo( ".append-me" );I also updated this to work with just raw js, so..

using getElementById and innerHTML to change the html of content no jquery

this is pretty simple, but i always forget it so ill add it here document.getElementById("theid").innerHTML = "the new content"; heres how it works, add a div with an id of theid Example .. <d..

make clickable element with clickable class

makes an element with a link into a clickable element

make any element editable

not sure if this will work on "all" or "any" elements, but it works on p tags. demo Type whatever you like here. code <p contenteditable="true" style='font-size:30px;'>Type whatever ..

form elements australian state list

A list of the Australian States converted into a form element select option dropdown. Sorted in alphabetical order.

Form elements New Zealand region list

A list of the Regions of New Zealand converted into a form element select option dropdown. Sorted in alphabetical order. Ready to paste into your own form.

recreate marquee element using css

as the marquee element has been removed from html5 (which is probably a good thing) its now unsupported, but you can use css and keyframes to recreate it. Yay.. CSS Marquee Demo Some Marquee ..

click through an overlay element pointer events

This one is usefull if you have an element overlapping another element and you want the one underneath to be clickable, like positioning an image over the top of a slider with controls underneath it. ..

why are people so amazed that a column layout can have a full width element

Is it because its inside a grid still? i must me missing something anyway i have been noticing that there is this post (and this one) going around showing that you can break out of a css grid and go ..

transform rotate an element in css

good if you need to rotate elements using css code <div class='abox rotated'></div> <style> .abox { background:pink; height:150px; width:150px; margin:50px auto 0; }..

use font awesome on elements lists ul

good if you need to use font awesome in list items like ul lists, etc. .element { position: relative; } /*replace the content value with the corresponding value from the list below*/ ..