Search With Seek4Info.com
Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.

Contact: aviboots(AT)netvision.net.il

Semrush - keyword research tool

Turn ChatGPT, Claude, Gemini, And CoPilot Into Your Personal Assistant, Business Coach, Content Creator, And More

Secure & Reliable Web Hosting, Free Domain, Free SSL, 1-Click WordPress Install, Expert 24/7 Support

Boost your online presence with premium web hosting and servers

Children Learning Reading Phonics Foundations Reading Program

Most popular tags

python java c cpp c# javascript php vb# typescript nodejs go rust scala swift kotlin pascal html ruby dart r css bootstrap win32 groovy winapi sql mysql jquery pascal-string lua winforms kotlin-string bash vbnet swift-string c-string cpp-string go-string c#-string php-string java-string vbnet-string rust-string python-string cpp-vector f# opengl scala-string javascript-string pascal-array c-array swift-array cobol typescript-string php-array javascript-array rust-vector typescript-array python-list reactjs scala-array c-windows nodejs-string go-array kotlin-array nodejs-array sdl2 cpp-matrix c-matrix cpp-array c#-list vbnet-list pascal-matrix go-slice c#-array java-array nodejs-express character-code-ascii-unicode swift-matrix c#-matrix sdl3 angularjs generate-random-floating-point-numbers all-permutations-combinations kotlin-matrix typescript-matrix vbnet-array kotlin-list dot-product-two-arrays string-to-title-case create-infinite-loop rust-matrix go-matrix javascript-matrix raylib glfw decimal-number-to-string-leading-zeros reconstruct-sparse-matrix-from-compact-triplet-matrix compact-sparse-matrix search-word-grid-characters
Disclosure: My content contains affiliate links.

40,863 questions

53,268 answers

573 users

How to get the length of a map in Node.js



129 views
asked Jun 23, 2022 by avibootz
Share on
share on gp share on fb share on tw share on li share on re share via email

1 Answer

0 votes 
const mp = new Map([
  ['javascript', 1],
  ['node.js', 2],
  ['typescript', 3],
  ['python', 4],
]);

console.log(mp.size);
 
 
 
   
/*
run:
   
4
   
*/

 



answered Jun 23, 2022 by avibootz

Related questions

1 answer 135 views
135 views
How to get map size in Node.js
asked May 1, 2023 by avibootz
1 answer 116 views
116 views
How to get the first element of a map in Node.js
asked Jul 10, 2022 by avibootz
1 answer 123 views
123 views
How to get a value of a map by key in Node.js
asked May 28, 2022 by avibootz
1 answer 130 views
130 views
How to get the sum of all values in a map with Node.js
asked May 27, 2022 by avibootz
1 answer 154 views
154 views
How to get the min and max values in a map with Node.js
asked May 14, 2022 by avibootz
1 answer 120 views
120 views
How to get the length of the last word in a string with Node.js
asked May 5, 2024 by avibootz
1 answer 115 views
115 views
How to get the length of an array in Node.js
asked Jul 16, 2022 by avibootz
 | Search With Seek4Info.com
Powered by Question2Answer
...