JavaScript Blunders

HowJSWorks.js

// Oh what a tangled web we stare, when first we practice to declare 
// ----------------------------------------------------------------  

// When var statement become longer than a page, there are some problems
var a,
    b,
    c, <- take this line out and the rest vars are now global
    d, 
    e;

var a,
    b,
    c,
    d,
    e; <- take this line out and IE will not like the trailing comma.

// Evaluations
( statement1 )  &&  ( statement2 ) && ( statement3 ); // Will stop evaluating at the first false statement
( statement1 )  ||  ( statement2 ) || ( statement3 ); // Will stop evaluating at the first true statement

// Function declarations and function expressions.
alert(name2); // undefined
name1 = function name2() {
    alert(name2);  // function?
}
alert(name2); // undefined

alert(name2); // function?
function name2() {
    alert(name2); // function?
}
alert(name2); // function?