javascript - How to generate a set of non-repeating six-digit random numbers

It is required to generate an array containing six random numbers, and these random numbers cannot be repeated. (The array contains multiple random numbers, each random number is six digits, and the random numbers in the array are not repeated) You can refer to the following two codes to combine the...

过去多啦不再A梦 2017-05-19 10:39:10 0  6  1473

Seeding a random number generator in Javascript

Is it possible to seed a random number generator (Math.random) in JavaScript?

P粉006977956 2023-08-23 23:03:23 0  2  632

Generate unique random numbers within a certain range

I need to generate random unique numbers within a certain range, how can I do this? I can generate random numbers via generator:$arr=[];$x=rand($min,$max);$len=count($arr);$flag=0;for($i=0;$i< $len;$i++){if($flag===1)gotogenerator;if($x===$arr[$i])$flag=1;}$arr[$index]=$x;$index++

P粉087951442 2023-10-15 20:51:55 0  2  524

javascript - js crosses two-dimensional arrays to get random numbers. How to achieve average random numbers?

There is a two-dimensional array, how to get 2 or 3 random numbers from a cross (not adjacent to the top, bottom, left, and right)? Array: {code...} I wrote one like this, but it feels very rigid, the numbers obtained are not even, and the code is a bit bloated. Does anyone have a better solution? {...

PHP中文网 2017-07-05 11:07:26 0  2  1510

javascript - One array taking random elements from another array

There is an array a=[4,19,23,44,56,1], create a new array b, and b randomly selects one element at a time from a until it is exhausted. Implemented in JavaScript

PHP中文网 2017-05-19 10:31:39 0  7  707

How to give a random value to a class tag?

The PHP language program gives random values ​​(unique and non-repeating) to the "*" in all <span class="*">test text</span> tags in web articles, no matter how many letters and numbers there are. For example: <span class="Hug5iR2NvjO9">Test text</s...

赵泽鑫 2022-01-13 11:12:29 0  9  1267

Master the method of random sorting (shuffling) of arrays in JavaScript

I have an array like this: vararr1=["a","b","c","d"]; How do I randomize/shuffle it?

P粉877719694 2023-08-22 14:01:56 0  2  549

PHP delimited random number, non-repeating

I have the following php code which creates random numbers when adding a static number; 100 and divides the number with |. It works fine but creates duplicate numbers, how do I make it prevent duplicate numbers from being created? echoshd is 3;100|2;100, but there are no repeated numbers before ;100...

P粉131455722 2023-09-06 20:26:26 0  2  574

javascript - How to get a random number in a symmetric range in JS?

For example, I want to use Math.random() to get random numbers in the ranges of -20~-10 and 10~20. Is there any most streamlined solution? For example, can it be done without an if statement? Thank you all for clearing up the confusion.

淡淡烟草味 2017-07-05 10:44:41 0  4  813

How to generate a random alphanumeric string in JavaScript?

What is the shortest way (within reason) to generate a random alphanumeric (uppercase, lowercase and numeric) string to use as a possible unique identifier in JavaScript?

P粉775788723 2023-10-12 23:03:12 0  2  724

How to randomly select a name in an array list

I have a question about an array list, I want to return a random name in the array list, but I'm having trouble implementing it.

P粉418351692 2023-07-19 09:17:02 0  1  584

How to select a random value from an array in PHP?

I have an array of objects in PHP. I need to randomly select 8 of them. My initial idea was to use array_rand(array_flip($my_array),8) but this doesn't work because objects cannot be keys to arrays. I know I can use shuffle, but I'm worried that as the array grows the performance will get worse. Is ...

P粉860897943 2023-08-24 22:40:55 0  2  640

python - How to get random data every time django calls a tag

The code for views is like this kwargs["random paragraph"] = Content.objects.order_by("?")[0].content is to randomly extract a paragraph each time and then the index is like this {code...} My purpose Every time it is called, random paragraph 1, random paragraph 2, random paragrap...

大家讲道理 2017-05-18 10:52:56 0  3  786

Firestore method to get random documents in collection

It is crucial for my application to be able to randomly select multiple documents from a collection in Firebase. Since there is no built-in native function in Firebase (that I know of) to implement a query that does this, my first thought was to use a query cursor to pick a random starting and endin...

P粉277305212 2023-10-19 11:39:22 0  2  803

Rewritten title: Learn how to randomly sort (shuffle) a JavaScript array

I have an array like this: vararr1=["a","b","c","d"]; How do I randomize/shuffle it?

P粉818125805 2023-08-21 11:28:39 0  2  572

javascript - How to implement random jumps to multiple domain names?

1. How to implement random jumps to multiple domain names? Can the same link point to a random domain name? 2. For example, link a jumps to link b this time. Next time, it may be link c. The jump link is random. How to implement this in the code?

迷茫 2017-06-12 09:20:52 0  2  1067

JavaScript onclick event: Extracting and displaying random text from a data list.

I want a JavaScript function to randomly select a sentence from a list of data in the same file and display it when I click a button with an "onclick" event. I'm looking for the simplest way to implement this functionality. Does anyone have an example? (Just a casual look, first time tryin...

P粉854119263 2023-09-02 19:44:17 0  1  601

Can anyone tell me how to generate random colors for the background of a website using css? is it possible?

Just like we can use unsplash image source to use random images. Likewise, can we achieve background color using just css? If yes can anyone tell how to do it? I use a random function to generate a random color for the background in a style. But it doesn't give any output

P粉267791326 2023-09-06 22:53:31 0  1  500

javascript - Can hexo configure the article file name to be a random number?

I saw that the new_post_name in the configuration file can set the file name, but it is not flexible at all. I need to use a script to randomly generate the file name, and then generate the article. I don’t want to use the article name as the file name, because the article name is in Chinese! Is the...

天蓬老师 2017-06-05 11:13:02 0  1  630

php - after clicking on index.html. The web page you enter is random.

I wrote a program to randomly jump to a web page when clicking on a picture, but I can't write a program to randomly jump to a web page when opening a file directory. If you don't understand what I mean. You can go and click on my 98 ads. They all have the same link, but the content is different eve...

阿神 2017-06-27 09:17:54 0  1  2468