Web developers notes,programming tutorials.

isFinite(testnumber)
 
The function isFinite, is used to determine if the argument, testnumber, is a finite and legal number. This function returns true for a finite number and otherwise returns false.
 
Code:
document.write(isFinite(2.2345))
 
Output:
true
 
Code:
document.write(isFinite(2.5E+345))
 
Output:
false
 
Code:
document.write(isFinite(”Ima string”))
 
Output:
false

This entry was posted on Tuesday, January 30th, 2007 at 4:25 pm and is filed under Javascripts. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.