Sharepoint 2013. Add JS to NewForm.aspx of a list

Question

how to place JS-code to NewForm.aspx of a list in SharePoint 2013 APP.

In sharepoint 2010 we can use this list definition to add JS:

<List ...>
  <MetaData>
    ...
    <Form Type="NewForm" Url="NewForm.aspx" SetupPath="pages\form.aspx" WebPartZoneID="Main" UseDefaultListFormWebPart="False">
        <WebParts>
          <AllUsersWebPart WebPartZoneID="Main" WebPartOrder="1">
            <![CDATA[ 
            <WebPart xmlns="http://schemas.microsoft.com/WebPart/v2"
                xmlns:sfwp="http://schemas.microsoft.com/WebPart/v2/SimpleForm">
              <Assembly>Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c</Assembly>                         
              <TypeName>Microsoft.SharePoint.WebPartPages.SimpleFormWebPart</TypeName>
              <FrameType>None</FrameType>
              <Title>JS1</Title>
              <sfwp:Content>ANY HTML YOU NEED HERE
              </sfwp:Content>
            </WebPart>
            ]]>
          </AllUsersWebPart>
          <AllUsersWebPart WebPartZoneID="Main" WebPartOrder="2">
            <![CDATA[
            <WebPart xmlns="http://schemas.microsoft.com/WebPart/v2">
              <Assembly>Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c</Assembly>                         
              <TypeName>Microsoft.SharePoint.WebPartPages.ListFormWebPart</TypeName>
              <PageType>PAGE_NEWFORM</PageType>
            </WebPart>
            ]]>
          </AllUsersWebPart>
        </WebParts>
      </Form>
    </Forms>
  </MetaData>
</List>

How to do the same for Sharepoint 2013?

Answer 1

Check this link out,

How to: Complete basic operations using JavaScript library code in SharePoint 2013

Answer 2

What exactly are you trying to do with the JS? Is it for a specific column or for the whole form? There are some new things, but it depends on what you are actually trying to do. If it's for a specific column, there's a new JSLink attribute for a that lets you add JS to the column and change how it's rendered in all locations, but that is specific to the column. It would allow you to do something like implement a cascading selection for a column, something quite tricky to do and would only work on a specific form... this new way lets you control it for everything.