$tpl = [ a , b , c , d , ]; $value = hello ; how to generate the following in code? $arr[ a ][ b ][ c ][ d ] = $value; ...
$tpl = [ a , b , c , d , ]; $value = hello ; how to generate the following in code? $arr[ a ][ b ][ c ][ d ] = $value; ...
$tpl = [ a , b , c , d , ]; $value = hello ; how to generate the following in code? $arr[ a ][ b ][ c ][ d ] = $value; ...
$tpl = [ a , b , c , d , ]; $value = hello ; how to generate the following in code? $arr[ a ][ b ][ c ][ d ] = $value; ...
var test = "a.b.c.d" how to recursively to a:{ b:{ c:{ d:"test" } } } ...
vuejson: afterbefore ...
problem description The parameter is [number, distance] to find out the point coordinates satisfied in the two-bit plane of the browser. number: the number of coordinate points in the two-bit plane of the browser. distance: the distance between ea...
$items = array( 1 => array( id => 1, pid => 0, name => ), 2 => array( id => 2, pid => 0, name => ), 3 => array( id => 3, pid => 1, name =&g...
The Array.prototype.flat () method can flatten the nested array into flattening into one-dimensional array , accept a number as several layers of expansion, and defaults to layer 1 . If you expand no matter how many layers are nested, you can pass...
now given an original string, example: abcdefgh, a template rule, example: ab {{}} de {{}} h where {{}} represents any match, and there may be 0 or more {{}} in a template. It is required to write a function to match the template first. If the origina...
topic description I store user information in localStorage userInfo, to encapsulate a method to modify userInfo related codes userInfof var userInfo= { id: 123 , name: Jim , info:{ address:{ home: , ...
existing data: var res = [{ code: 1, name: "", children: [{ code: 1, name: "", children: [{ code: 1, name: "", children: [{ code: 1, ...
function getTree ($data, $pId) { $tree = ; -------------------1 foreach ($data as $k = > $v) { if ($v [ cate_ParentId ] = = $pId) { Father finds son $v[ cate_ParentId ] = getTree($data, $v[ cate_Id ]); ---------------------2 ...
as mentioned in the question, I use recursion to calculate the approximate value of PI: PI 4 = 1-1 PI 3 + 1 hand 7 + 1 hand 9 +; code is as follows: let calPI = (n, sum = 1)=> { if(n < 3) return sum*4; n%4 === 1 ? sum += 1 n...
A recursive word cannot be written in the work. Ask the master for help and accept a reward. Thank you. Thanks Thanks () has the following data . [{ id: 1 , name: 1 , items: [ { id: 2 , name: 2 , items: [ ...
has the following recursive function, which cannot return the correct result: const navItems = [ { name: name1 , label: , items: [ { name: name2 , label: , items:...
work needs to use a js recursive writing, really can not write it, ask for help, you can add Wechat to send a big red packet! The data structure of trustworthiness ~ is as follows: [ { key: 1 , name: name , label: ...
"use strict"; var digui2 = digui; digui = null; digui2(10); function digui(num) { if (num < 2) { return 1; } else { return num * digui(num - 1); } } I know that arguments.callee can be used instead of function n...
[ 1 ,[ 2 , 3 , [ 4 , 5 , [ 6 ]]]] ...
cyclic array arr = [ [1, 2], [3, 4], ] output [13,14,23,34] ; cyclic array arr = [ [1, 2], [3, 4], [5, 6], ] output [135136145146235236245246] The length of the array of the loop is unknown, and the length of each subarray of...