Math.ceil()
JavaScript 1.0+, ECMAScript 1.0+, JScript 1.0+ Nav2+, NES2+, IE3+, Opera3+ Syntax
math.ceil(num)
Description
The ceil() method of the Math object is used to calculate the smallest integer that is greater than or equal to the number passed in as a parameter. This is similar to getting the ceiling of a number.
Example
Listing 6.156 shows how the ceil() method is used to get the largest integer for the number input by the user.
Listing 6.156 Example of the ceil() Method
<html> <body> <title>Example of the ceil() method</title> <script language="JavaScript"> <!–– Hide // function calculates the ceiling integer. // takes input and passes it to the ceil method. function doMath(){ var inputNum=document.form1.input.value; var result ... |
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