Snippet shows you how to catch errors like 404 when you submit form using jQuery.
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The primary use of JavaScript is to write functions that are embedded in or included from HTML pages and that interact with the Document Object Model (DOM) of the page.
25 Jul, 2017
Testing React components with Jest I got an error: "Warning: Failed context type: The context `router` is marked as required in `Link`, but its value is `undefined`.". I am using Link from react-...
29 May, 2017
The snippet shows how to move item to the end of array. In a case where we have an array of objects and we want to move the array item by property value. In this example I am using lodash/underscore...
13 May, 2017
The Object.assign() method copies all properties from one or more source objects to a target object. It returns the target object. This can be used for cloning an object in ES6, just create an empty...
5 May, 2017
If you use full render not shallow in your tests, your tests might be rendered before the actual component and its subcomponents are fully loaded. In that case you need to delay the output, while...
19 Apr, 2017
Highcharts has paddings and spacings that will make the area charts line appear inside of the chart element. To get full width line you need to disable some spacings and lines. You have to disable...
23 Mar, 2017
Highcharts comes with a credits link by default. This snippet shows how to hide the link using the configurations.
22 Mar, 2017
No data is actually a module that needs to be loaded separately from the highcharts library. For some reason highcharts no data message is displayed below the grid. There is an easy fix of enabling...
21 Mar, 2017
You can create a vertical line on highlighted value in Highcharts. This might give a better visual when you have multiple lines. You could also use "shared: true" option in your tooltip to display...
14 Mar, 2017
You can achieve this by adding a library that supports css minify to "webpack.config.js". In this snippet I use "optimize-css-assets-webpack-plugin" which uses cssnano for minimizing by default. The...
12 Oct, 2016
Deleting object value with key in javascript. For this you can use the delete operator. Permits you to remove a property from an object.
21 Jun, 2016
Using selectionStart, selectionEnd, setSelectionRange in jQuery example. You can't use DOM commands on jQuery objects directly, you have to get the first value of the object.
18 Apr, 2016
How to focus and select all using javascript. This snippet shows it in an example of "jQuery: Toggle input text using checkbox". For an example you can extend this to any event or action where you...
18 Apr, 2016
Snippet shows how to toggle input text using checkbox. Sometimes you need to show text field only when a checkbox is checked, that can be called conditional text field. So you need a checkbox and a...
12 Apr, 2016
JavaScript runs asynchronously, that means when you initialize $.each every bit of code that comes after that will not be executed when $.each has finished. Sometimes you need your code to be...
8 Mar, 2016
This snippet shows how to minify javascript files from command line. Minifying JavaScript is useful in many respects. Most important are security and performance. Security is increased due to the...
8 Mar, 2016
This snippet shows how to get element next to your element / selector. This a part of dom traversal. Using javascript for next element parsing can be used to create some powerful dynamic content. I...
25 Nov, 2015
AddThis is an awesome social sharing tool. It is fully customizable. I suggest using addthis module for loading add this library, this has performance options for the javascript loading.
12 Jun, 2015
Get cursor position in CKEditor is simple if you know some facts. You have to have the instance initiated, so simple jQuery ready would not work. You can get selection and use that functionality to...
29 Jan, 2015
I had an error in "jquery.ui.mouse.min.js" when using jQuery 1.9 (or newer) with jQuery UI 1.8 (or older). This jquery plugin is used to restore deprecated functionalities in jQuery and removed as of...
24 Oct, 2014
In general we are going to embed pdf in html. For this tutorial I am going to use PDF.js. It is a web platform for parsing and rendering PDF files. Canvas support is one of the main things that is...
2 Jan, 2014
Checking that variable is a jQuery object. We are going to use instanceof and it returns true if the statement is true.
29 Oct, 2013
Form submitting is really simple with jQuery. You can use submit function to submit form or catch a form submission and do something else.
14 Aug, 2013
This function alters url get parameters using javascript. The function takes to consideration all aspects of url (parameter existis, hash, parameter doesn't exist). For an example if you need to be...
7 Mar, 2013
You can use "is" to see if the form element is disabled.
8 Feb, 2013
How to display message before closing the page or moving to another page. Don't use this to annoy people. Sometimes this functionality is still useful, for an example if you have some sort of unsaved...
2 Feb, 2013
Rather than simply dumping the HTML into the page you might want it to be animated. You can .hide() the content before doing a .prependTo(), then call .slideDown() on the element.
21 Nov, 2012
This function gets URL variables in JavaScript. Current page url parameters will be parsed into array, that will be returned.
19 Nov, 2012
This example shows how to create monocrome Google Maps. Where the map will be using only shades of grey (with or without black and/or white). It might also be called grayscale or black-and-white.
14 May, 2012
This snippet shows you how to get date on mouseover from cell in jQuery UI datepicker.
5 Apr, 2012
This shows you how to get the path of the current URL and assign it to a variable. This is achieved by taking url from location object. The location object also has other properties, like host, hash...
4 Dec, 2011
Make a group of checkboxes behave like radiobuttons.
1 Oct, 2011
This snippet shows you how to round a number to a specified number of decimal places in JavaScript.
21 Sep, 2011
This snippet shows how to print JavaScript object.
16 Aug, 2011
There are many ways of doing redirect in JavaScript this should be the standard implementation for changing the current window's location.
29 Jun, 2011
This snippet sends form with id contactform using ajax via post method. When it's send and result is returned. It writes result into #feedback-form.
29 Jun, 2011
To always have latest jQuery version, you can use this fast loading jQuery library from Google.
16 Jun, 2011
This snippet shows how to check if jQuery selector exists.
24 May, 2011
Getting and save window scroll position with jQuery. You also need cookie plugin to store the position value in cookies, so it can be used after browser page changes.
29 Apr, 2011
This snippet shows how to get html element textareas value or text with jQuery.
7 Apr, 2011
This tutorial shows how to make image switcher with javascript. You can switch images by using arrows.
24 Feb, 2011
This tutorial shows how to create background text to your search box that will dissapear on click/focus.
19 Feb, 2011
This tutorial shows how to send a single form field/input of a form. We are going to use jQuerys ajax features to do that.
9 Feb, 2011
This tutorial shows you how to get values of checkbox array using jQuery. You can use this to send selected checkboxes values with ajax or add those to url variable(like in this example). If you...
4 Feb, 2011
You can use these examples to change img tags src attribute or any attribute of any tag.
25 Sep, 2010
Getting data from JSON with jQuery is really simple.
26 Aug, 2010
This tutorial is about adding form fields, more precisely how to add textboxes dynamically with JavaScript. To make the code easier I use jQuery library.
25 Aug, 2010
Tutorial about loading page with AJAX between any HTML tags. We are using jQuery JavaScript library to do this.
25 Jul, 2010
Making beautiful pop-up contact form with jQuery and jQuery UI. If JavaScript is disabled the form is usual.
5 Jul, 2010
Tutorial about creating your own functions using jQuery JavaScript library.