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JunglefussJunglefuss
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added exercises for switch case
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‎JavaScript_Basics/switch_case.js‎

Lines changed: 105 additions & 71 deletions
Original file line numberDiff line numberDiff line change
@@ -12,14 +12,14 @@
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Syntax;
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switch (expression) {
15-
case x:
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case x:
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// code block
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break;
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case y:
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// code block
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break;
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default:
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// code block
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break;
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case y:
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// code block
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break;
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default:
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// code block
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}
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// This is how it works:
@@ -35,26 +35,26 @@ default:
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// This example uses the weekday number to calculate the weekday name:
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switch (new Date().getDay()) {
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case 0:
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day = "Sunday";
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break;
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case 1:
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day = "Monday";
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break;
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case 2:
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day = "Tuesday";
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break;
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case 3:
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day = "Wednesday";
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break;
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case 4:
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day = "Thursday";
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break;
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case 5:
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day = "Friday";
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break;
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case 6:
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day = "Saturday";
38+
case 0:
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day = 'Sunday';
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break;
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case 1:
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day = 'Monday';
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break;
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case 2:
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day = 'Tuesday';
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break;
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case 3:
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day = 'Wednesday';
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break;
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case 4:
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day = 'Thursday';
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break;
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case 5:
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day = 'Friday';
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break;
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case 6:
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day = 'Saturday';
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}
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/**
@@ -81,14 +81,14 @@ case 6:
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// If today is neither Saturday (6) nor Sunday (0), write a default message:
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switch (new Date().getDay()) {
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case 6:
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text = "Today is Saturday";
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break;
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case 0:
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text = "Today is Sunday";
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break;
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default:
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text = "Looking forward to the Weekend";
84+
case 6:
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text = 'Today is Saturday';
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break;
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case 0:
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text = 'Today is Sunday';
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break;
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default:
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text = 'Looking forward to the Weekend';
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}
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// The result of text will be:
@@ -99,14 +99,14 @@ default:
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// Example
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switch (new Date().getDay()) {
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default:
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text = "Looking forward to the Weekend";
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break;
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case 6:
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text = "Today is Saturday";
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break;
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case 0:
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text = "Today is Sunday";
102+
default:
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text = 'Looking forward to the Weekend';
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break;
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case 6:
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text = 'Today is Saturday';
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break;
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case 0:
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text = 'Today is Sunday';
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}
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// If default is not the last case in the switch block, remember to end the default case with a break.
@@ -119,16 +119,16 @@ case 0:
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// Example
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121121
switch (new Date().getDay()) {
122-
case 4:
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case 5:
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text = "Soon it is Weekend";
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break;
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case 0:
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case 6:
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text = "It is Weekend";
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break;
130-
default:
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text = "Looking forward to the Weekend";
122+
case 4:
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case 5:
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text = 'Soon it is Weekend';
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break;
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case 0:
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case 6:
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text = 'It is Weekend';
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break;
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default:
131+
text = 'Looking forward to the Weekend';
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}
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// Switching Details
@@ -147,29 +147,63 @@ default:
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// In this example there will be no match for x:
149149

150-
Example:
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var x = "0";
150+
Example: var x = '0';
152151
switch (x) {
153-
case 0:
154-
text = "Off";
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break;
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case 1:
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text = "On";
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break;
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default:
160-
text = "No value found";
152+
case 0:
153+
text = 'Off';
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break;
155+
case 1:
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text = 'On';
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break;
158+
default:
159+
text = 'No value found';
161160
}
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163162
/** Exercise for You Complete it */
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165164
// Create a switch statement that will alert "Hello" if fruits is "banana", and "Welcome" if fruits is "apple".
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167166
switch (fruits) {
168-
case "Banana":
169-
alert("Hello");
170-
break;
171-
172-
case "Apple":
173-
alert("Welcome");
174-
break;
175-
}
167+
case 'Banana':
168+
alert('Hello');
169+
break;
170+
171+
case 'Apple':
172+
alert('Welcome');
173+
break;
174+
}
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176+
// Create a switch statement that will tell you what to wear based on the temperature outside. For temps below 50 degrees Fahrenheit, alert "Wear a coat." For temps between 51 and 70 degrees, alert "Bring a sweater." For temps above 70, alert "It should be warm."
177+
178+
var temp = 49;
179+
180+
switch (true) {
181+
case temp <= 50:
182+
'Wear a coat.';
183+
break;
184+
case temp > 50 && temp <= 70:
185+
'Bring a sweater.';
186+
break;
187+
case temp > 70:
188+
'It should be warm.';
189+
}
190+
191+
// Create a switch statement to determine who wins in a game of rocks, paper, scissors.
192+
193+
var player1 = 'scissors';
194+
var player2 = 'paper';
195+
196+
switch (true) {
197+
case player1 === 'paper' && player2 === 'rock':
198+
case player1 === 'scissors' && player2 === 'paper':
199+
case player1 === 'rock' && player2 === 'scissors':
200+
'Player 1 wins';
201+
break;
202+
case player1 === 'rock' && player2 === 'paper':
203+
case player1 === 'paper' && player2 === 'scissors':
204+
case player1 === 'scissors' && player2 === 'rock':
205+
'Player 2 wins';
206+
break;
207+
default:
208+
'Tie. Go again.';
209+
}

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