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intro to JS #1

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1 change: 1 addition & 0 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
<title>Document</title>
</head>
<body>
<h1>Hello World</h1>
<script src="index.js"></script>
</body>
</html>
58 changes: 52 additions & 6 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,25 +1,49 @@
/************************************************************** Task 1: Warm-up! **************************************************************/
//Task a: declare a variable called votingAge, console log true if age > 18 (no function required)

var votingAge;

votingAge = prompt("What is your age?");

if (votingAge > 18) {
console.log("True");
}

else {
console.log("False");
}

//Task b: declare a variable and then use a conditional to change the value of that variable based on the value assigned to a second variable (no function required)


//Task b:
//declare a variable
var myVariable = "He or she is NOT an adult person";
//and then use a conditional to change the value of that variable based on the value assigned to a second variable (no function required)
if (votingAge > 18) {
myVariable = "He or she is an Adult person";
console.log(myVariable);

} else {
console.log(myVariable);
}


//Task c: Convert string ("1999") to integer (1999) (no function required) // hint look up the Number method



//Task c: Convert string ("1999") to integer (1999) (no function required) // hint look up the Number method

let year = "1999";
console.log(Number(year));

//Task d: Write a function to multiply a*b


//Task d: Write a function to multiply a*b
function multiply(a, b) {
//Return the sum
return a*b;
}
var product= multiply(10, 4);
console.log(product);



Expand All @@ -28,9 +52,13 @@
//write a function that takes your age and returns it to you in dog years - they say that 1 human year is equal to seven dog years


function calculate() {
var humanYears = 10 ;
var dogYears = (humanYears * 7);
console.log(dogYears);
}



console.log(calculate());
/************************************************************** Task 3 **************************************************************/
//Dog feeder
//takes weight in pounds and age in years (note if the dog is a puppy the age will be a decimal) and returns the number of pounds of raw food to feed in a day.
Expand Down Expand Up @@ -67,12 +95,30 @@
//Metric Converter
//a. KM to Miles - should take the number of kilometers and convert it to the equal number of miles

function calculate() {
var kilometers = 1 ;
var miles = (kilometers / 0.62137119223);
console.log(miles);
}

console.log(calculate());





//b. Feet to CM - should take the number of feet and convert it to the equal number of centimeters

function calculate() {
var centimeters = 1 ;
var feet = (centimeters * 30,48);
console.log(feet);
}

console.log(calculate());






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