Check if checkbox is checked with jQuery
IDs must be unique in your document, meaning that you shouldn’t do this: Instead, drop the ID, and then select them by name, or by a containing element: And now the jQuery:
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Download File Using JavaScript/jQuery
Use an invisible <iframe>: To force the browser to download a file it would otherwise be capable of rendering (such as HTML or text files), you need the server to set the file’s MIME Type to a nonsensical value, such as application/x-please-download-me or alternatively application/octet-stream, which is used for arbitrary binary data. If you only want to open it in a … Read more
How to enable CORS in flask
Here is what worked for me when I deployed to Heroku. http://flask-cors.readthedocs.org/en/latest/Install flask-cors by running – pip install -U flask-cors
Scroll to an element with jQuery
Assuming you have a button with the id button, try this example: I got the code from the article Smoothly scroll to an element without a jQuery plugin. And I have tested it on the example below.
Disabling and enabling a html input button
Using Javascript Disabling a html buttondocument.getElementById(“Button”).disabled = true; Enabling a html buttondocument.getElementById(“Button”).disabled = false; Demo Here Using jQuery All versions of jQuery prior to 1.6 Disabling a html button$(‘#Button’).attr(‘disabled’,’disabled’); Enabling a html button$(‘#Button’).removeAttr(‘disabled’); Demo Here All versions of jQuery after 1.6 Disabling a html button$(‘#Button’).prop(‘disabled’, true); Enabling a html button$(‘#Button’).prop(‘disabled’, false); Demo Here P.S. Updated … Read more
jQuery Get Selected Option From Dropdown
For dropdown options you probably want something like this: The reason val() doesn’t do the trick is because clicking an option doesn’t change the value of the dropdown–it just adds the :selected property to the selected option which is a child of the dropdown.
jQuery setTimeout() Function [duplicate]
The problem is that inside the setTimeout() call, this doesn’t refer to the button. You need to set a variable to keep the reference to the button. I’ve created a sample below. See how I use the variable named $this. UPDATE: Now with modern browsers supporting Arrow Functions, you can use them to avoid altering the this context. See updated snippet below.
jQuery.click() vs onClick
Using $(‘#myDiv’).click(function(){ is better as it follows standard event registration model. (jQuery internally uses addEventListener and attachEvent). Basically registering an event in modern way is the unobtrusive way of handling events. Also to register more than one event listener for the target you can call addEventListener() for the same target. http://jsfiddle.net/aj55x/1/ Why use addEventListener? (From MDN) addEventListener is the way to register an event listener as specified in W3C DOM. Its … Read more
How can I scroll to an element using jQuery?
JavaScript answer If you would like to scroll to an element smoothly with “pure JavaScript” you could do something like this: More information is here: Element.scrollIntoView() NOTE: Please see Can I use… Support tables for HTML5, CSS3, etc. for the latest browser support… jQuery answer If you would like to scroll to an element smoothly using jQuery then … Read more
How to Handle Button Click Events in jQuery?
You have to put the event handler in the $(document).ready() event: