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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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The strings you are referring to are template literals.
You can find more information about them here:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals
great solution,
but please can anyone explain what is inside the while loop,the $ signs and curly brackets.
I'm just learning es5,es6.
thanks in adavanced.