循环遍历window对象中的所有项

Last night, I got really bored and I thought of a little idea for a little script. Basically I was thinking about how many built-in functions PHP has compared to JavaScript and then I realized that I really don't know how many functions JavaScript actually has. I thought of writing a script that would look through the window object including every object inside the object and so forth. I wrote the script and it worked (tried it on a smaller object).Last night, I got really bored and I thought of