Java Script/Basic Code

Latest revision as of 23:34, 11 March 2013

Confirm pop-up (with ok or cancel response)

confirm("I feel awesome!");

Input prompt pop-up

prompt("Enter your name:");

Print out values for each line of code

console.log()

Information pop-up

alert("")

Data Sets

numbers (3, 42, etc)

strings ("This is a string", "42", "is also a string")

Booleans

true or false statements, such as (7<10) or (10<7)

if/else

used to send code down different paths

if( condition) {
    code code code;
} else if {
    code code code;
} else {
    code code code;
}

var

variable that can be determined or given

 var MeaningofLife = 42

function

follow the same instructions by calling on a single variable.

//This is what a function looks like

var divideByThree = function (number) {
    var val = number / 3;
    console.log(val);
};

//On line 11, we call the function by name
//Here, it is called 'dividebythree'
//We tell the computer what the number input is (ie. 6)
//The computer then uses the code inside the function
divideByThree(12);

loop

loops a specified response until condition is met

for(var i = 100 ; i >= 0 ; i -=5 ) {
	console.log(i);
}