Created
July 21, 2017 12:44
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/** | |
* If Statements | |
* | |
* They have a condition, that is true or false. | |
* Think of them as boolean. | |
*/ | |
var condition = true; | |
if (condition) { | |
// do something | |
} | |
/** | |
* If... else | |
*/ | |
var isLoggedIn = true; | |
if (isLoggedIn) { | |
// do something | |
} else { | |
// do something else | |
} | |
/** | |
* If... else if... else (if) | |
*/ | |
var someNumber = 5; | |
if (someNumber > 5) { | |
//console.log('is greater than 5'); | |
} else if (someNumber < 5) { | |
//console.log('is smaller than'); | |
} else { | |
//console.log('equals 5'); | |
} | |
/** | |
* Operators | |
*/ | |
/* | |
== equal to | |
=== equal value and equal type | |
!= not equal | |
!== not equal value or not equal type | |
> greater than | |
< less than | |
>= greater than or equal to | |
<= less than or equal to | |
? ternary operator | |
*/ | |
/** | |
* Switch statement | |
* | |
* If you want to test on more than on condition use switch | |
*/ | |
//The getDay() method returns the weekday as a number between 0 and 6. | |
//If today is neither Saturday (6) nor Sunday (0), write a default message: | |
var date = new Date().getDay(); | |
var text; | |
switch (date) { | |
case 1: | |
text = "Oh... Monday..."; | |
break; | |
case 0: | |
text = "Today is Sunday"; | |
break; | |
case 6: | |
text = "Today is Saturday"; | |
break; | |
default: | |
text = "Looking forward to the Weekend"; | |
} |
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