jquery – is not a function error

This problem is “best” solved by using an anonymous function to pass-in the jQuery object thusly: The Anonymous Function Looks Like: This is JavaScript’s method of implementing (poor man’s) ‘Dependency Injection’ when used alongside things like the ‘Module Pattern’. So Your Code Would Look Like:Of course, you might want to make some changes to your … Read more

How to change the text of a button in jQuery?

Depends on what type of button you are using Your button could also be a link. You’ll need to post some HTML for a more specific answer. EDIT : These will work assuming you’ve wrapped it in a .click() call, of course EDIT 2 : Newer jQuery versions (from > 1.6) use .prop rather than .attr EDIT 3 : If you’re using jQuery … Read more

Why is this jQuery click function not working?

You are supposed to add the javascript code in a $(document).ready(function() {}); block. i.e. As jQuery documentation states: “A page can’t be manipulated safely until the document is “ready.” jQuery detects this state of readiness for you. Code included inside $( document ).ready() will only run once the page Document Object Model (DOM) is ready for JavaScript code to execute”

jQuery: outer html()

Just use standard DOM functionality: Or a bit simpler with .prop(): outerHTML is well supported – verify at Mozilla or caniuse.

HTML text input allow only numeric input

Note: This is an updated answer. Comments below refer to an old version which messed around with keycodes. JavaScript Try it yourself on JSFiddle. You can filter the input values of a text <input> with the following setInputFilter function (supports Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations, non-typeable keys, the caret position, different keyboard layouts, … Read more