JQuery to find if any span inside label element -

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I am using JQuery for my application.

Let me know as an HTML 

   * & Lt; / Em> & Lt; / Span & gt; & Lt; / Labels & gt;

In my jquitt code, I want to check that there is a span like a tag inside the label and if it exists then I have to turn my check box on to do this. Please suggest me

The following is my checkbox 

  & lt; Input id = "required" type = "checkbox" name = "required" />

Use this to check if there is a spec with a category label. If so, set the checkbox with the required ID for checks. 

  if ($ ("label> span.req"). Length & gt; 0) {$ ("# essential") atrum ("check", true); }

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