The positive infinity in Javascript is a number that is constant and represents a value that is the highest available. It can be generated using a self-made function or by an arithmetic operation.
Note: JavaScript shows the POSITIVE_INFINITY value as Infinity.
Positive Infinity: It is different from mathematical infinity in the following ways.
- If we divide any positive number by positive infinity, we will get a positive 0
- If we divide any negative number by positive infinity, we will get negative 0.
- 0 multiplied by positive infinity is NaN
- NaN multiplied by positive infinity is NaN
- We get negative infinity when we divide positive infinity by any negative number (except negative infinity)
- We get positive infinity when we divide positive infinity by any positive number (except positive infinity)
- Positive infinity divided by either positive or negative infinity is NaN
Syntax:
Number.POSITIVE_INFINITY
Example 1:
html
< body >
< h1 style = "color: green;" >
GeeksforGeeks
</ h1 >
< h3 >
What is positive infinity in JavaScript?
</ h3 >
< button onclick = "geekPositiveInfinity()" >
Generate positive infinite
</ button >
< p id = "geek" ></ p >
< script >;
function geekPositiveInfinity() {
var n=(Number.MAX_VALUE)*2;
document.getElementById("geek").innerHTML=
"Here the number generated is twice of Number.MAX_VALUE"+"< br >"+
" which is greater than upper limit"+"< br >< br >"+n;
}
</ script >
</ body >
|
Output:
Example 2:
HTML
< body >
< h1 style = "color: green;" >
GeeksforGeeks
</ h1 >
< h3 >
Positive infinity in JavaScript
</ h3 >
< h4 >Operations with positive infinity</ h4 >
< ol >
< li id = "divide" >
< b >Divide any number by Positive infinity</ b >
< br >
561 / Number.POSITIVE_INFINITY =
</ li >
< br >
< li id = "divideNeg" >
< b >Divide negative number by infinity</ b >
< br > -123 / Number.POSITIVE_INFINITY =
</ li >
< br >
< li id = "mulzero" >
< b >0 multiply by Positive infinity</ b >
< br >
0 * Number.POSITIVE_INFINITY =
</ li >
< br >
< li id = "nanmul" >
< b >NAN multiply by Positive infinity</ b >
< br >
NAN * Number.POSITIVE_INFINITY =
</ li >
< br >
< li id = "dividepos" >
< b >Divide Positive infinity by Negative number(except Negative Infinity)</ b >
< br >
Number.POSITIVE_INFINITY / -123 =
</ li >
< br >
< li id = "divideposinf" >
< b >Divide Positive infinity by Positive number</ b >
< br >
0 / Number.POSITIVE_INFINITY =
</ li >
< br >
< li id = "divideself" >
< b >Divide Positive infinity by Positive Infinity or Negative infinity</ b >
< br >
Number.POSITIVE_INFINITY / Number.POSITIVE_INFINITY =
</ li >
</ ol >
< button onclick = "calc()" >Click Here to calculate</ button >
< script >
function calc() {
document.getElementById("divide").innerHTML+=561/Number.POSITIVE_INFINITY;
document.getElementById("divideNeg").innerHTML+=-123/Number.POSITIVE_INFINITY;
document.getElementById("mulzero").innerHTML+=0*Number.POSITIVE_INFINITY;
document.getElementById("nanmul").innerHTML+=NaN*Number.POSITIVE_INFINITY;
document.getElementById("dividepos").innerHTML+=Number.POSITIVE_INFINITY/-123;
document.getElementById("divideposinf").innerHTML+=0/Number.POSITIVE_INFINITY;
document.getElementById("divideself").innerHTML+=Number.POSITIVE_INFINITY/Number.POSITIVE_INFINITY;
}
</ script >
</ body >
|
Output:
Recommended Article: JavaScript Infinity Property