How do you set the “Visible” property of a ASP.NET control from a Javascript function?

Question

Bascially I want to know the best way to hide/show an ASP.NET control from a Javascript function. I figured I would just access the control in Javascript using:

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Answer 1

instead of using visible, set its css to display:none

//css:
.invisible { display:none; }

//C#
txtEditBox.CssClass = 'invisible';
txtEditBox.CssClass = ''; // visible again

//javascript
document.getElementById('txtEditBox').className = 'invisible'
document.getElementById('txtEditBox').className = ''