'addRule()' Syntax, Parameters and Note : addRule « Javascript Methods « JavaScript Reference

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2. Javascript Methods
3. addRule

'addRule()' Syntax, Parameters and Note

Note:

Adds a new rule to a style sheet and always returns 1.
    
Syntax:
    
document.styleSheets[index].addRule(param1, param2, param3)


Parameters:
    param1   Required; the selector.
    param2   Required; the style declarations.
    param3   Optional; the index of the rule. 
             If the index is omitted, the rule is added to the end.

    

      
      

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