+ _js.view

Author: Alexandre887

1-js/06-advanced-functions/03-closure/8-filter-through-function/_js.view/solution.js

@@ -0,0 +1,8 @@
+
+function inArray(arr) {
+  return x => arr.includes(x);
+}
+
+function inBetween(a, b) {
+  return x => (x >= a && x <= b);
+}

1-js/06-advanced-functions/03-closure/8-filter-through-function/_js.view/source.js

@@ -0,0 +1,10 @@
+
+let arr = [1, 2, 3, 4, 5, 6, 7];
+
+function inBetween(a, b) {
+  // ...your code...
+}
+
+function inArray(arr) {
+  // ...your code...
+}

1-js/06-advanced-functions/03-closure/8-filter-through-function/_js.view/test.js

@@ -0,0 +1,21 @@
+
+describe("inArray", function() {
+  let arr = [1, 2, 3, 4, 5, 6, 7];
+
+  it("returns the filter for values in array", function() {
+
+    let filter = inArray(arr);
+    assert.isTrue(filter(5));
+    assert.isFalse(filter(0));
+  });
+});
+
+
+describe("inBetween", function() {
+
+  it("returns the filter for values between", function() {
+    let filter = inBetween(3, 6);
+    assert.isTrue(filter(5));
+    assert.isFalse(filter(0));
+  });
+});