added starter code for exercises and legacy repl.it code

Author: jwoolbright23

stringing-characters-together/code-snippets/bracket-notation.js

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+let jsCreator = "Brendan Eich";
+
+console.log(jsCreator[-1]);
+console.log(jsCreator[42]);

stringing-characters-together/code-snippets/mad-libs.js

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+let pluralNoun = ;
+let name = ;
+let verb = ;
+let adjective = ;
+let color = ;
+
+console.log("JavaScript provides a "+ color +" collection of tools — including " + adjective + " syntax and " + pluralNoun + " — that allows "+ name +" to "+ verb +" with strings.")

stringing-characters-together/code-snippets/method-chaining.js

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+//String methods can be combined in a process called method chaining.
+
+let word = 'JavaScript';
+
+console.log(word.toUpperCase());
+//Returns ``JAVASCRIPT``
+
+//What does ``word.slice(4).toUpperCase()`` return?
+
+
+//Experiment with other combinations (chains) of string methods.

stringing-characters-together/exercises/part-one.js

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+let num = 1001;
+
+//Returns 'undefined'.
+console.log(num.length);
+
+//Use type conversion to print the length (number of digits) of an integer.
+
+//Follow up: Print the number of digits in a DECIMAL value (e.g. num = 123.45 has 5 digits but a length of 6).
+
+//Experiment! What if num could be EITHER an integer or a decimal?  Add an if/else statement so your code can handle both cases.

stringing-characters-together/exercises/part-three.js

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+//Part Three section one
+
+let language = 'JavaScript';
+
+//1. Use string concatenation and two slice() methods to print 'JS' from 'JavaScript'
+
+//2. Without using slice(), use method chaining to accomplish the same thing.
+
+//3. Use bracket notation and a template literal to print, "The abbreviation for 'JavaScript' is 'JS'."
+
+//4. Just for fun, try chaining 3 or more methods together, and then print the result.
+
+//Part Three section Two
+
+//1. Use the string methods you know to print 'Title Case' from the string 'title case'.
+
+let notTitleCase = 'title case';

stringing-characters-together/exercises/part-two.js

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+//Part Two Section One
+
+let dna = " TCG-TAC-gaC-TAC-CGT-CAG-ACT-TAa-CcA-GTC-cAt-AGA-GCT    ";
+
+// First, print out the dna strand in it's current state.
+
+//1) Use the .trim() method to remove the leading and trailing whitespace, then print the result.
+
+console.log(/* Your code here. */);
+
+//2) Change all of the letters in the dna string to UPPERCASE, then print the result.
+
+console.log();
+
+//3) Note that after applying the methods above, the original, flawed string is still stored in dna. To fix this, we need to reassign the changes to back to dna.
+//Apply these fixes to your code so that console.log(dna) prints the DNA strand in UPPERCASE with no whitespace.
+
+console.log(dna);
+
+//Part Two Section Two
+
+let dnaTwo = "TCG-TAC-GAC-TAC-CGT-CAG-ACT-TAA-CCA-GTC-CAT-AGA-GCT";
+
+//1) Replace the gene "GCT" with "AGG", and then print the altered strand.
+
+//2) Look for the gene "CAT" with ``indexOf()``. If found print, "CAT gene found", otherwise print, "CAT gene NOT found".
+
+//3) Use .slice() to print out the fifth gene (set of 3 characters) from the DNA strand.
+
+//4) Use a template literal to print, "The DNA strand is ___ characters long."
+
+//5) Just for fun, apply methods to ``dna`` and use another template literal to print, 'taco cat'.