How to auto change the label color

Hi My form have Field Type: Text. Want to change label color by some condition  show user this text are required. I use java script  document.getElementById setting style ,but  need to setting "id" . I don't know how to setting "id" in aras object ? Have another better way to do required field?  
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  • Hello Michelle, I had the same need and i solved it with a getElementsByName in Javascript: document.getElementsByName("field_name")[1]; you have to specify [1] because the fields are placed in a div with the same name so [0] is the div and [1] the field itself. Hope that i helped ! Léo
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  • Hello Michelle, I had the same need and i solved it with a getElementsByName in Javascript: document.getElementsByName("field_name")[1]; you have to specify [1] because the fields are placed in a div with the same name so [0] is the div and [1] the field itself. Hope that i helped ! Léo
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