When creating a new event in our calendar, an absolutely positioned iframe appears. How can I load JavaScript inside this iframe? I want to do some manipulation of the form with JavaScript.

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1 Answer 1



  • Go to the NewForm page, for instance:


  • Add the parameter for editing the page:


  • Insert a CEWP (content editor web part). Inside this webpart you can add JavaScript or reference to a file (reference is best option).

Hope it will be helpfully!


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