jQuery set checkbox checked
you have to use the ‘prop’ function : Before jQuery 1.6 (see user2063626’s answer):
jquery
How can I determine if a variable is ‘undefined’ or ‘null’?
You can use the qualities of the abstract equality operator to do this: Because null == undefined is true, the above code will catch both null and undefined.
Uncaught TypeError : cannot read property ‘replace’ of undefined In Grid
I think jQuery cannot find the element. First of all find the element or or Then try your code again
How can jQuery deferred be used?
The best use case I can think of is in caching AJAX responses. Here’s a modified example from Rebecca Murphey’s intro post on the topic: Basically, if the value has already been requested once before it’s returned immediately from the cache. Otherwise, an AJAX request fetches the data and adds it to the cache. The $.when/.then doesn’t care … Read more
jQuery get textarea text
Why would you want to convert key strokes to text? Add a button that sends the text inside the textarea to the server when clicked. You can get the text using the value attribute as the poster before has pointed out, or using jQuery’s API:
Change Background color (css property) using Jquery
You’re using a colon instead of a comma. Try: You also need to wrap the id in quotes or it will look for a variable called #co There are many more issues here. click isn’t an HTML attribute. You want onclick (which is redundant). Try this: You were trying to call an undefined method. It looks like you were trying … Read more
Bootstrap – Uncaught TypeError: Cannot read property ‘fn’ of undefined
You need to load jquery first before bootstrap. Works like charm! quick and easy fix.
Javascript Runtime error: $ is undefined
$ is defined by jQuery, which you probably haven’t referenced. A simple way to get it is to add one of the CDN urls to your template HTML:
jquery SlideToggle effect in upward direction?
I need to make a jquery slidetoggle effect in upward direction., now the slide toggle is working only in downward direction. When i used slide up method i couldn’t use same button to slide up and slide down the div. Here is my code: } I am a beginner in jquery., please help me 🙂
jQuery if div contains this text, replace that part of the text
You can use the text method and pass a function that returns the modified text, using the native String.prototype.replace method to perform the replacement: Here’s a working example.