widget is not a function

Question

I want to make use of some dragable elements   but as soon as I load the page I get this    widget is not a function   the code   lt script src  js jquery jquery-1 6 js  type  text javascript  gt  lt  script gt    lt script src  js jquery jquery ui core js  type  text javascript  gt  lt  script gt   lt script src  js jquery jquery ui draggable js  type  text javascript  gt  lt  script gt   lt script src  js jquery jquery ui mouse js  type  text javascript  gt  lt  script gt   lt script src  js jquery jquery ui widget js  type  text javascript  gt  lt  script gt

User · Answer

Place your widget js after core js  but before any other jquery that calls the widget js file   Example  draggable js  Precedence  order  matters in what javascript jquery can  see   Always position helper code before the code that uses the helper code

User · Answer

I got this error recently by introducing an old plugin to wordpress   It loaded an older version of jquery  which happened to be placed before the jquery mouse file   There was no jquery widget file loaded with the second version  which caused the error   No error for using the extra jquery library -- that s a problem especially if a silent fail might have happened  causing a not so silent fail later on   A potential way around it for wordpress might be to be explicit about the dependencies that way the jquery mouse would follow the widget which would follow the correct core leaving the other jquery to be loaded afterwards   Still might cause a production error later if you don t catch that and change the default function for jquery for the second version in all the files associated with it

User · Answer

Maybe placing the jquery ui widget js as second after jquery ui core js

User · Answer

May be include Jquery Widget first  then Draggable  I guess that will solve the problem

[jquery] $.widget is not a function

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