Different Ways of Selecting a Control in ASP.NET using JavaScript

Accessing an HTML control:

var myHtmlControl = document.getElementById('htmlTextBox');
var myHtmlControl = $('#htmlTextBox');

Accessing an ASP.NET Server control:

var myServerControl = document.getElementById('serverTextBox');
var myServerControl = document.getElementById("< % = serverTextBox.ClientID % > ");
var myServerControl = $('# < % = serverTextBox.ClientID % > '); // JQuery

var myServerControl = < % = serverTextBox.ClientID % >;

var myServerControl = eval("serverTextBox.ClientID");

var myServerControl = $get("serverTextBox.ClientID"); // ASP.NET AJAX Library

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