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StringChanllenge.js

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+/*
+    QUOTE: I have a dream that my four little children will one day live 
+    in a nation where they will not be judged by the color of 
+    their skin but by the content of their character.
+*/
+let meow =  "I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character."
+// Function getFrequency takes as parameters two strings, text and token.
+// This function needs to return the number of times a token accurs in text
+// For example, if this function is tested with above quote and token is
+// "will", then this function should return 2 becuase "will" occurs twice in
+// the text
+function getFrequency(text, token) {
+  let count = 0;
+  let words = text.split(" "); // Changed from text.split("")
+  for (let i=0; i<words.length; i++) {
+    let word=words[i]
+    if (word === token) {
+      count++;
+    }
+  }
+  return count;
+}
+console.log(getFrequency(meow, "will"));
+
+// Function search takes as parameters two strings, text and token.
+// This function needs to return the location where token occurs
+// in parameter text. For example, if you call this function with 
+// token = "dream", this function will return 9. If token does not exist
+// in text this function should return -1
+function search(text, token){
+    return text.indexOf(token)
+}
+
+console.log(search(meow, "dream"))
+
+
+// Function spellWord takes as parameters two strings, text and word.
+// This function needs to return a spell of parameter word. For example, 
+// if you call this function with token = "children", this function should 
+// return c,h,i,l,d,r,e,n
+// If word does not exist in text, this function should return "Word not found"
+function spellWord(text, word) {
+    const words = text.split(" ").filter(s => s.length > 0);
+    const lowercaseWords = words.map(w => w.toLowerCase());
+    const lowerCaseWord = word.toLowerCase();
+    
+    if (lowercaseWords.includes(lowerCaseWord)) {
+        return word.split("").join(",");
+    } else {
+        return "Word not found";
+    }
+}
+
+console.log(spellWord(meow, "children"))
+
+// write code to test your functions