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javascript - The first parameter of setTimeout is to execute the function immediately, I can't understand it

The first parameter of setTimeout is to execute the function immediately. I can’t understand it. {Code...} Although the result is to output 0,1,2,3,4 immediately, I don’t know why.

大家讲道理 2017-07-05 10:56:26

The request is not understood

Hello teacher! GET request this, I didn’t understand it at first.

都市里穿梭的风 2022-08-17 15:57:51

This is a bit hard to understand.

I really can't understand

迷路时你就往前走 2019-07-07 17:10:26

I don't understand a sentence in c++.

{Code...} const_cast<void *>(ss) I don’t understand this sentence

阿神 2017-06-22 11:53:34

I haven't learned this before and don't understand it.

$_SERVER['PHP_SELF']; I don’t know what the following PHP_SELF means.

⁴₈³₆᭄ꦿ 2020-01-05 19:50:41

I still don't quite understand what pre means.

I still don’t quite understand what pre means.

ShInIcNI 2018-04-18 13:10:10

What should I do if I don't understand at all?

define('DS', DIRECTORY_SEPARATOR), what should I do if I don’t understand it at all?

Msy 2018-11-26 15:08:17

I'm new here, so please give me some advice if I don't understand anything.

I'm new here, so please give me some advice if I don't understand anything. I'm new here, so please give me some advice if I don't understand anything. I'm new here, so please give me some advice if I don't understand anything.

随心所欲 2019-11-09 19:47:16

centos - ps -C nginx --no-header | wc -l，这个命令不太懂

ps 后面除了 nginx ，其他的参数不太理解呀

PHPz 2017-04-26 09:01:26

c++ - Can't understand a sentence about c dynamic memory allocation?

{Code...} I don’t understand how to operate like this after dynamically allocating memory. Can you explain data[i]=xxx? I don’t understand this sentence. When I use it, *data outputs one character and loop data [i] can output a lot, I'm wondering if it's not *data[i]

代言 2017-06-20 10:06:25

des - Someone who knows php and java comes in and wants to ask a question.

1. Doing business with other companies. The other party is java and I am php. 2 Both parties encrypt the data with DES first and then base64 encryption. Transmit 3. The other party sent a Java encryption and decryption. I should follow it and make a PHP one. But I can't understand the java code. 4 I...

高洛峰 2017-05-18 10:45:52

I don't quite understand why base.html deletes a <body>?

I don’t quite understand why base.html deletes a <body>?

阿宇 2020-09-03 02:39:04

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