The return value of the getDate() function on Sunday

Shouldn’t the value of Sunday be 0, teacher?

From [JavaScriptdiscussion group] 2018-07-04 09:55:26 0  1  1457

undefined and null

undefined == null is true, what is compared is the numerical value, both are 0, undefined === null is false, b...

From [JavaScriptdiscussion group] 2018-06-26 10:35:19 0  2  1163

Password that pops up the login box

What is the password for the pop-up login box?

From [JavaScriptdiscussion group] 2018-06-22 11:14:16 0  2  1113

Why do I feel like so many videos are missing?

The vue video is gone, I don’t know why

From [JavaScriptdiscussion group] 2018-06-06 22:13:20 0  0  682

Desktop wallpaper download

Teacher, your desktop wallpaper is very beautiful. How can I download that picture?

From [JavaScriptdiscussion group] 2018-05-26 10:35:04 1  0  1631

Isn't it okay that time is not defined? Why are we different?

From [JavaScriptdiscussion group] 2018-05-24 19:37:53 0  1  1470

How to make inquiry about educational affairs in mini program?

Is there a demo? How to configure the backend interface?

From [JavaScriptdiscussion group] 2018-05-24 08:21:48 0  0  795

Why are there question marks when I call it?

From [JavaScriptdiscussion group] 2018-05-21 22:45:35 0  5  1642

Why is it necessary to declare a closure like this?

var add = ()() Why do we need two brackets when declaring a variable?

From [JavaScriptdiscussion group] 2018-05-16 21:21:14 0  1  1079

Please tell me what script.js is

What is script.js? ? ? ? ? ?

From [JavaScriptdiscussion group] 2018-05-16 10:24:56 0  1  1170

Want to know the actual usage of Math.max

Math.max(1,2,3,4,5) What I want to know is how can I get and use this (1,2,3,4,5). For example: var a = [1,2,3...

From [JavaScriptdiscussion group] 2018-05-13 18:37:36 0  1  1793

I would like to ask, if there is one right and one wrong in the non-operation, what does he mean?

I would like to ask, if there is one right and one wrong in the non-operation, what does he mean?

From [JavaScriptdiscussion group] 2018-05-11 14:08:19 0  2  1273

It's so uncomfortable, the chapter titles are inconsistent with the content.

JavaScript Dark Horse Programmer, the titles of 7-8 and 7-9 are the same, but the content is different.

From [JavaScriptdiscussion group] 2018-05-02 14:38:59 0  0  1023

Say hello to the boss, my environment is os Chorme, and the words on the video screen are like ants. . . I beg you to be dealt with.

Also, in the question input box, pressing the space bar will trigger the video play control.

From [JavaScriptdiscussion group] 2018-04-24 13:48:51 0  3  1583

Question about anonymous functions

var a=function(x){return x*x;} What does a mean that can be put into other functions to operate? Is it called ...

From [JavaScriptdiscussion group] 2018-04-20 12:23:51 0  1  1680