vim sees another casualty

the green blot means ur using vim. to go to insert mode type the letter 'i'

trailing space after "pears"?

okay thank you !

okay thank you !

Hello friend,
you are not supposed to use single quotes(meaning this symbol -> ') but instead you are supposed to use the symbol that is right next to '1' on your keyboard(meaning this symbol -> `).

I recommend you to read the info on the following link in order to fully understand this feature of the language. It's pretty straight forward.
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Template_literals

In JavaScript ${} is called a "template literal". It's a handy ES6 string formatting feature that allows you structure variables into string without the use of concatenation.

You need to use backticks (`) instead of single quotes (like you're using) for it to work.

how does this ${} work ??
function doit(name){
return 'my name is ${name}';
}
doit('dizu')
returns
'my name is ${name}'

how does this ${} work ??
function doit(name){
return 'my name is ${name}';
}
doit('dizu')
returns
'my name is ${name}'

how does one calculate the sol has O(n^2) ?

does not pass even if i have the correct solution('apples, pears \ngrapes\nbananas')

this kata had a algorithm tag .what is the algorithm? if any kata is based on an algo where can i get to know about it ?

thanks

press key "i" , then you can type.
its vim editor

javascript version doesnt have any instructions...what is the green blot that keeps blinking and i cant type anything ?