丫丫狸笫的专栏

摘自：http://www.cnblogs.com/lidabo/archive/2011/12/29/2305770.htmljs中的typeof是一个运算符，一元运算。typeof sth不需要加括号的。 返回值是一个字符串，说明运算数的类型。typeof 1;typeof NaN;typeof Number.MIN_VALUE;typeof Infinity;typeof "123";typ

Events An event is when sth happens for example click on sth move the mouse press key ONLOAD EVENT onload is triggered when the object has loaded html> body onload="ale

You’ll be able to create different kinds of for loop for clearly shows the start and end values is especially good for handling a series of data (data_structure.length tells you how many items data_str

Array You’ll learn some advanced array functions SORTINGarray.sort() Alphabetical order var pets = ["Dog" , "Cat" , "Rabbit" , "Hamster"]; pets.sort(); 按字母顺序 array.reverse() Descending order