Merge pull request #2 from AnastasiiaXX/module2-task1

Author: keksobot

js/functions.js

@@ -0,0 +1,33 @@
+const checkStringLength = (string = 'str', maxLength = 1) => string.length <= maxLength;
+
+checkStringLength('string', 3);
+
+const isPalindrome = (string = '') => {
+  const newString = string.toLowerCase().replaceAll(' ', '');
+  let result = '';
+
+  for(let i = newString.length - 1; i >= 0; i -= 1) {
+    const char = newString[i];
+    result += char;
+  }
+
+  return newString === result;
+};
+
+isPalindrome('А роза упала на лапу азора');
+
+const parseStringToInt = (string) => {
+  string = string.toString();
+  let res = '';
+  for (let i = 0; i < string.length; i += 1) {
+    const parsed = parseInt(string[i], 10);
+    const isDigit = (!isNaN(parsed));
+    if (isDigit) {
+      res += parsed;
+    }
+  }
+
+  return res ? +res : NaN;
+};
+
+parseStringToInt('78 dogs');