Create Is it a rainbow?.js

Is it a rainbow?.js

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+/*
+It is a sunny day and then a cloud appears from no where.... Now there are hundreds of rainbows everywhere.
+
+You must check they are full and beautiful.
+
+You will be given an array that represents the rainbow and you need to check if it is a full rainbow, or not and return true or false.
+
+E.g. colours['1','2'] will return false
+*/
+function sortRainbow(colour){
+ return ['red','orange','yellow','green','blue','indigo','violet'].every((v,i)=>v===colour[i])
+}