attr() , then it was always .prop() , so I came back here updated the answer and made it more accurate. Then a year later jQuery changed their ... ... <看更多>

Add /remove fields dynamically in jQuery Mobile, disable buttons once max/min fields reached - gist:1925906. ... <看更多>

Your problem is mostly in your jQuery. First, you mixed j$ and $ . You use the first only if you use jQuery.noConflict (and if you choose to ... ... <看更多>

To disable a button, simply add the 'disabled' attribute to it: <button id="btn" type="button" disabled>Button</button>. ... <看更多>

disablebutton #jqueryjquery disable button after click few seconds particular time and enable. ... <看更多>