Far fewer things to hate about JavaScript

gistfile1.js

/*  http://javascript.crockford.com/code.html
    JavaScript code should not be embedded in HTML files unless 
    the code is specific to a single session.
*/

// All variables should be declared before used. 
var sampleVar;                                                                 // Avoid lines longer than 80 characters.


var stupidFunction = function (param1, param2, param3,                        // There should be no space between the name of a function and the (, except If a function literal is anonymous
                               param1) {                                       // There should be one space between the ) and the {
    var varOne;      // comment about this variable                            // Generally use line comments. Save block comments for formal documentation and for commenting out. 
    var varUno;      // comment about this variable                            // align comments
    var varUne = []; // comment about this variable                           // Use {} instead of new Object(). Use [] instead of new Array(). 

    varUne[1] = 4;                                                             // Use arrays when the member names would be sequential integers. 

    while (true) {                                                            // one space after keywords
        if (1 === 1) {                                                         // it is almost always better to use the === and !== operators
                                                                               // Avoid doing assignments in the condition part of if and while statements. 

        }
    }

    return true;                                                              // A return statement ... should not use () around the value. The return value expression must start on the same line as the return keyword in order to avoid semicolon insertion. 
};                                                                             // The } is aligned with the line containing the beginning of the declaration of the function


<script src="filename.js"> tags should be placed as late in the body as possible.
There is no need to use the language or type attributes. It is the server, not the script tag, that determines the MIME type.