JavaScript Infinity Property

0 0 1 minute read

The Infinity Property is used to display Infinity when the floating point number’s upper limit is exceeded and -Infinity is displayed when the floating point number’s lower limit is exceeded. Here, Infinity denotes Positive Infinity, and -Infinity represents Negative Infinity. Also, the upper limit of the floating point number is 1.7976931348623157e+308 and the lower limit is -1.797693134862316E+308

Syntax:

Infinity

Return:

Infinity // For positive infinity
-Infinity // For negative infinity

Example 1:

JavaScript

<script> 
    function test() { 
        console.log( 
            -3.645464512375121213E+1203466 + 
            "<br>"
            +3.4548643575312453512345E+1203466); 
    } 
    test(); 
</script> 

Output:

-Infinity
Infinity

Example 2:

html

<body> 
    <center> 
        <h1 style="color: green;"> 
            zambiatek 
        </h1> 
        <h3> 
            Js Infinity property 
        </h3> 
        <button onclick="test()"> 
            Press 
        </button> 
        <p> 
            1.797693134862315E+308 is 
            the limit of a Floating Point Number. 
        </p> 
        <h4> 
            Clicking the Press button will 
            showcase the Javascript Infinity Property. 
        </h4> 
        <p id="gfg"></p> 
    </center> 
    <script> 
        function test() { 
            document.getElementById("gfg") 
                      .innerHTML="-1.797693134862315E+309 will be replaced by: "+ 
                               -1.797693134862315E+309+ 
                                 "<br>"+ 
                                 "1.797693134862315E+309 will be replaced by: " 
                               + 1.797693134862315E+309; 
        } 
    </script> 
</body>

Output:

To know more about the +ve infinity and -ve infinity please go through the attached links.

Supported Browsers: Since infinity is an ES1 feature it is supported by all browsers.

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