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Basic JavaScript: V

Stuff we're skipping

Regular Expressions

  • regularExpression object
  • regEx syntax
  • search and replacing with regEx




 
 
  

 

Date Objects
 

 

    
	
  • var today = new Date();
    • 
    
  • var year = today.getFullYear();
    • 
    
  • var month = today.getMonth(); // 0 - 11
    • 
    
  • var date = today.getDate(); // 1 - 31
    • 
    
  • var dayOfWeek = today.getDay(); // 0 - 6
    • 
    




 
 
  

 

Number
 



    
    
  • isNaN(x);
    • 
	
  • parseInt(x);
    • 
    
  • parseFloat(x);
    • 
    
  • num.toFixed(n)
    • 
    
  • Math.Round(x);
    • 
    
  • Math.floor(x)
    • 
    
  • Math.sqrt(x)
    • 
    
  • Math.abs(x)
    • 







 
 
  

 

Switch statement
 

 

var rainbow = prompt('Color');
var teletubby;

switch (rainbow.toLowerCase()) { 
  case "purple":
    teletubby = "Tinky Winky";
    break;
  case "green":
    teletubby = "Dipsy";  
    break;
  case "yellow":
    teletubby = "Laa-Laa";
    break;
  case: "red":
    teletubby = "Po";
    break;
  default:
    teletubby = "You don't watch enough TV";
}





 
 
 
 

Ternary Operator
 

 

(condition)? if true : if false;

var IQ = () ? "glowing" : 





 
 
  
 



 

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