add hw2

node_modules/lodash-es/clamp.js

@@ -0,0 +1,39 @@
+import baseClamp from './_baseClamp.js';
+import toNumber from './toNumber.js';
+
+/**
+ * Clamps `number` within the inclusive `lower` and `upper` bounds.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Number
+ * @param {number} number The number to clamp.
+ * @param {number} [lower] The lower bound.
+ * @param {number} upper The upper bound.
+ * @returns {number} Returns the clamped number.
+ * @example
+ *
+ * _.clamp(-10, -5, 5);
+ * // => -5
+ *
+ * _.clamp(10, -5, 5);
+ * // => 5
+ */
+function clamp(number, lower, upper) {
+  if (upper === undefined) {
+    upper = lower;
+    lower = undefined;
+  }
+  if (upper !== undefined) {
+    upper = toNumber(upper);
+    upper = upper === upper ? upper : 0;
+  }
+  if (lower !== undefined) {
+    lower = toNumber(lower);
+    lower = lower === lower ? lower : 0;
+  }
+  return baseClamp(toNumber(number), lower, upper);
+}
+
+export default clamp;