Fastest Way Learning Javascript

Tell us what’s happening:

   **Your code so far**
   What is the fastest way the to learn javascript?

// Only change code below this line

var myStr="This is the  first sentence.";

myStr+="This is the second sentence.";

console.log(myStr);
   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36.

Challenge: Concatenating Strings with the Plus Equals Operator

Link to the challenge:

Hey @D.Max ,
check this out :

var myStr = 'This is the first sentence. ';

myStr += ‘This is the second sentence.’;

console.log(myStr);

// a space is needed at the end of the first string after the dot.

okay, thanks but already solved.