translating

1-js/4-data-structures/8-array-methods/1-camelcase/_js.view/solution.js

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+function camelize(str) {
+  return str
+    .split('-') // my-long-word -> ['my', 'long', 'word']
+    .map( 
+      (word, index) => index == 0 ? word : word[0].toUpperCase() + word.slice(1)
+    ) // ['my', 'long', 'word'] -> ['my', 'Long', 'Word']
+    .join(''); // ['my', 'Long', 'Word'] -> myLongWord
+}