JavaScript-Fundamentals/013-comments.js at main · FullStack-Flow/JavaScript-Fundamentals · GitHub

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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result
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// WHAT ARE COMMENTS?
// SINGLE-LINE COMMENTS
letprice=100;
lettax=0.15;// 15% sales tax

lettotal=price+(price*tax);
console.log(total);// Output: 115

letusername="John";
// console.log(username); // Not running this right now

// MULTI-LINE COMMENTS

/* This is a
 multi-line comment
 that spans multiple lines */

/*
 Function: calculateDiscount
 Purpose: Calculates the final price after applying a discount
 Parameters:
 - price: original price of the item
 - discount: discount percentage (0-100)
 Returns: final price after discount
*/
functioncalculateDiscount(price,discount){
returnprice-(price*discount/100);
}

/*
let oldCode = "something";
let moreOldCode = "testing";
console.log("This entire block is commented out");
*/

/* This is the start
 /* This won't work */
// This is the end */

// WHEN TO USE COMMENTS
// Add 5 to x
// let x = x + 5;

// Adding buffer space to prevent edge collision
// let x = x + 5;

// TODO: Optimize this loop for large datasets
// WARNING: This will fail if user is not authenticated
// HACK: Temporary fix until API v2 is released

// BEST PRACTICES

// Step 1: Get user input
// Step 2: Validate the input
// Step 3: Process the data
// Step 4: Return the result