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1 Answer
Samual Sam

The isSafeInteger() function of the Number object accepts a number and determines if it is safe integer. If the given number is a safe integer it returns true else, it returns false.

Syntax

Its Syntax is as follows

Number.isSafeInteger(90071991); 

Example

Live Demo

<html>
   <head>
      <title>JavaScript Example</title>
   </head>
   <body>
      <script type="text/javascript">
         var result = Number.isSafeInteger(90071991);
         if(result) {
            document.write("Given number is a safe integer");
         }else {
            document.write("Given number is not a safe integer");
         }
      </script>
   </body>
</html>

Output

Given number is a safe integer

Example

Passing Decimal value, negative value and an equation to this function.

Live Demo

<html>
   <head>
      <title>JavaScript Example</title>
   </head>
   <body>
      <script type="text/javascript">
         var result1 = Number.isSafeInteger(45.2);
         document.write(result1);
         document.write("<br>");
         var result2 = Number.isSafeInteger(-38);
         document.write(result2);
         document.write("<br>");
         var result3 = Number.isSafeInteger(0/8);
         document.write(result3);
         document.write("<br>");
      </script>
   </body>
</html>

Output

false
true
true

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