jobbet litt med higher order functions

eloquentjavascript/05_higher_order_functions/exercises.js

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+let arrays = [[1,2,3], [4,5],[6,7]];
+let newArray = [];
+let newArray2 = arrays.flat();
+
+for (let key in arrays) newArray = newArray.concat(arrays[key]);
+// arrays.forEach((v) => {
+//     newArray.push(v);
+//     newArray.concat(v);
+// })
+// function reduceArrays(){
+//     for (array of arrays) {
+//         console.log(array,count)
+
+//     } 
+// }
+//reduceArrays();
+console.log(newArray2);