converted 'conditional-code' to the new convention

Author: RedWolves

page/javascript-101/conditional-code.md

@@ -4,7 +4,8 @@ attribution:  jQuery Fundamentals
 ---
 Sometimes you only want to run a block of code under certain conditions. Flow control — via if and else blocks — lets you run code only under certain conditions.
 
-<javascript caption="Flow control">
+``` js
+// Flow control
 var foo = true;
 var bar = false;
 
@@ -22,9 +23,9 @@ if (bar) {
         // this code would run if foo and bar were both false
     }
 }
-</javascript>
+```
 
-<div class="note" markdown="1">
+<div class="note">
 While curly braces aren't strictly required around single-line if statements,
 using them consistently, even when they aren't strictly required, makes for
 vastly more readable code.
@@ -39,20 +40,22 @@ In order to use flow control successfully, it's important to understand which
 kinds of values are "truthy" and which kinds of values are "falsy." Sometimes,
 values that seem like they should evaluate one way actually evaluate another.
 
-<javascript caption="Values that evaluate to true">
+``` js
+// Values that evaluate to true
 '0';
 'any string';
 [];  // an empty array
 {};  // an empty object
 1;   // any non-zero number
-</javascript>
+```
 
-<javascript caption="Values that evaluate to false">
+``` js 
+// Values that evaluate to false
 '';  // an empty string
 NaN; // JavaScript's "not-a-number" variable
 null;
 undefined;  // be careful -- undefined can be redefined!
-</javascript>
+```
 
 ## Conditional Variable Assignment with The Ternary Operator
 
@@ -62,11 +65,12 @@ more convenient. The ternary operator tests a condition; if the
 condition is true, it returns a certain value, otherwise it returns a different
 value.
 
-<javascript caption="The ternary operator">
+``` js
+The ternary operator
 // set foo to 1 if bar is true;
 // otherwise, set foo to 0
 var foo = bar ? 1 : 0;
-</javascript>
+```
 
 While the ternary operator can be used without assigning the return value to a
 variable, this is generally discouraged.
@@ -78,7 +82,8 @@ useful to use a switch statement instead. Switch statements look
 at the value of a variable or expression, and run different blocks of code
 depending on the value.
 
-<javascript caption="A switch statement">
+``` js 
+// A switch statement
 switch (foo) {
 
     case 'bar':
@@ -94,13 +99,13 @@ switch (foo) {
     break;
 
 }
-</javascript>
+``` 
 
 Switch statements have somewhat fallen out of favor in JavaScript, because
 often the same behavior can be accomplished by creating an object that has more
 potential for reuse, testing, etc. For example:
 
-<javascript>
+``` js
 var stuffToDo = {
     'bar' : function() {
         alert('the value was bar -- yay!');
@@ -120,6 +125,6 @@ if (stuffToDo[foo]) {
 } else {
     stuffToDo['default']();
 }
-</javascript>
+```
 
 We'll look at objects in greater depth later in this chapter.