尤晨俐

js/1.js

@@ -4,6 +4,21 @@
  * @returns {any[]}
  */
 function flatten(arr) {
-
+  // let result = [];
+  // for (let item of arr) {
+  //   if (Array.isArray[item]) {
+  //     result.push(flatten(item));
+  //   }
+  //   result.push(item);
+  // } return result;
+  //  let flattened=arr.reduce((accumulator,currentValue)=>accumulator.concat(currentValue), []);
+  // return flattened;
+  let result = [];
+  for (let item of arr) {
+    if (Array.isArray[item]) {
+      result.push(...flatten(item));
+    }
+    result.push(item);
+  } return result;
 }
-console.log(flatten([[1,2,3,4],[1,[1,[1]]]])==[1,2,3,4,1,1,1])
+console.log(flatten([[1, 2, 3, 4], [1, [1, [1]]]]) == [1, 2, 3, 4, 1, 1, 1])

js/2.js

@@ -3,7 +3,12 @@
  * @param {number} size
  * @return {Array}
  */
-var chunk = function(arr, size) {
-
+var chunk = function (arr, size) {
+  let result = [];
+  for (i = 0; i < arr.length; i += size) {
+    result.push(arr.slice(i, i + size));
+  }
+  return result;
 };
-console.log(chunk([1,2,3,4,5], 1)==[[1],[2],[3],[4],[5]])
+console.log(chunk([1, 2, 3, 4, 5], 1));
+// console.log(chunk([1, 2, 3, 4, 5], 1) == [[1], [2], [3], [4], [5]])

js/3.js

@@ -5,4 +5,36 @@
  */
 function hasStraightFlush(arr) {
     // 返回 true 或 false
+
+    for (let item in arr) {
+        let counter1 = 0;
+        let counter2 = 0;
+        let counter3 = 0;
+        let counter4 = 0;
+        if (item <= 12) {
+            counter1++;
+        }
+        else if (12 < item <= 25) {
+            counter2++;
+        }
+        else if (25 < item <= 38) {
+            counter3++;
+        }
+        else if (38 < item <= 51) {
+            counter4++;
+        }
+
+    }
+
+    if (counter1 >= 5 || counter2 >= 5 || counter3 >= 5 || counter4 >= 5) {
+        let judge1 = true;
+    }
+    if (judge1) {
+        let result1 = arr.fliter((x) => item <= 12);
+        let result2 = arr.fliter((x) => 12 < item <= 25);
+        let result3 = arr.fliter((x) => 25 < item <= 38);
+        let result4 = arr.fliter((x) => 38 < item <= 51);
+    }
+
+
 }