Math Functions

 console.log(Math.E);

console.log(Math.PI);

// MATH.ABS(n)
console.log(Math.abs(5));
console.log(Math.abs(-5));
console.log(Math.abs(-15));

// MATH.POW(a,b)
console.log(Math.pow(2, 4));
console.log(Math.pow(3, 3));

// MATH.FLOOR(n)
console.log(Math.floor(5.5));
console.log(Math.floor(5.999999999));
console.log(Math.floor(-5.5));

// MATH.CEIL(n)
console.log(Math.ceil(5.5));
console.log(Math.ceil(5.000011));
console.log(Math.ceil(-5.5));

// MATH.RANDOM()
console.log(Math.random());
console.log(Math.random());
console.log(Math.random());


Comments

Post a Comment

Popular posts from this blog

Callback Hell

Image
      < h1 > call Hell Demo </ h1 > let h1 = document . querySelector ( "h1" ); function changeColor ( color , delay , NextchangeColor ) {   setTimeout (() => {     h1 . style . color = color ;     if ( NextchangeColor ) NextchangeColor ();   }, delay ); } changeColor ( "red" , 1000 ,() => {     changeColor ( "blue" , 1000 ,() => {         changeColor ( "orange" , 1000 ,() => {             changeColor ( "green" , 1000 ,() => {                 changeColor ( "yellow" , 1000 );             })         })     }) });
Read more

TODO list with DOM

Image
 HTML <! DOCTYPE html > < html lang = "en" > < head >     < meta charset = "UTF-8" >     < meta name = "viewport" content = "width=device-width, initial-scale=1.0" >     < title > TODO List with DOM </ title > </ head > < body >     < h1 > TODO List </ h1 >     < input placeholder = "Enter Task" >     < button > Add Task </ button >     < ul >         < li > Eat < button class = "delbtn" > delete </ button ></ li >         < li > Sleep < button class = "delbtn" > delete </ button ></ li >     </ ul >     < script src = "TODOwithDOM.js" ></ script > </ body > </ html > JS let btn = document . querySelector ( "button" ); let inp = document . querySelector ( "input" ); let ul = do...
Read more

Refactoring callback hell code

Image
  let h1 = document . querySelector ( "h1" ); function changeColor ( color , delay ) {   return new Promise (( resolve , reject ) => {     setTimeout (() => {       h1 . style . color = color ;       resolve ( "color changed" );     }, delay );   }); } changeColor ( "red" , 1000 )   . then (() => {     console . log ( "Color changed to Red" );     return changeColor ( "orange" , 1000 );   })   . then (() => {     console . log ( "color changed to orange" );     return changeColor ( "green" , 1000 );   })   . then (() => {     console . log ( "color changed to green" );     return changeColor ( "blue" , 1000 );   })   . then (() => {     console . log ( "color changed to blue" );   });
Read more