Lane markings how to obtain the specified elements "Assume filled="f"" test "" "Span filled="f"" 1 "and" ddd</span> "Span filled="f"" 2 "," ddd</span> "Span filled="f"" 3 "," ddd</span> "Span filled="f"" 4 "" ddd</span> "/div> JS how id=test marker used to obtain samples within the span of the span and the number of ID markings

Document.getElementById ( 'test'). GetElementsByTagName ( 'span'). Length) Get

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