completes PreSuf

Author: umbur

PreSuf.js

@@ -0,0 +1,38 @@
+// Create two functions: isPrefix(word, prefix-) and isSuffix(word, -suffix).
+// isPrefix should return true if it begins with the prefix argument.
+// isSuffix should return true if it ends with the suffix argument.
+// Otherwise return false.
+
+// Examples:
+// isPrefix("automation", "auto-") ➞ true
+// isSuffix("arachnophobia", "-phobia") ➞ true
+// isPrefix("retrospect", "sub-") ➞ false
+// isSuffix("vocation", "-logy") ➞ false
+
+// Notes:
+// The prefix and suffix arguments have dashes - in them.
+
+function isPrefix(word, prefix) {
+  let testp = prefix.split("").slice(0, -1).join("");
+  //   let testw = word.split("");
+  //   console.log(testp.slice(0).join(""));
+  return word.startsWith(testp) ? true : false;
+  //   if (testp.slice(0).join("") === testw.slice(0, testp.length).join("")) {
+  //     return true;
+  //   } else {
+  //     return false;
+  //   }
+}
+
+function isSuffix(word, suffix) {
+  let tests = suffix.split("").slice(1).join("");
+  //   console.log(word);
+  return word.endsWith(tests) ? true : false;
+  //   if (word.endsWith(tests)) {
+  //     return true;
+  //   } else {
+  //     return false;
+  //   }
+}
+console.log(isPrefix("automation", "auto-"));
+// console.log(isSuffix("arachnophobia", "-phobia"));