$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...
use jsplumb to draw a flowchart that goes beyond the width of the interface when there is a lot of content. sets the outermost div to exceed the display scroll bar. It is found that the wires drawn through jsplumb when pulling the scroll bar will not f...
1, problem: in the two lazily loaded routing pages a.vue and b.vue configured by vue-router, a.vue refers to the hehe () function in test.js but () is not used. After packaging, the lazily loaded a.vue routing page code does not have the () function, w...
suppose there is a table A whose fields are roughly as follows: < table > < thead > < tr > < th > column < th > < th > index < th > < tr > < thead > < tbody > < tr > < td > id < td > < td > True < td > < tr > < tr > < td > name < td > <...
because the web page is a sports data web page, the page will be stuck when you hang a large amount of data in the background on the weekend, so please tell us how to monitor the page hanging in the background for more than a certain period of time and p...
1. I am just a beginner of python, website content crawling classics processing as follows, temporarily do not understand Javascript, please help! $(function () { $( .port-box )["each"](function(wssP1, fnDKXroKU2) { var ClpoEy3 = $(fnD...