WML Script

• WMLScript 简介
• WMLScript 引用
• WMLScript alert()
• WMLScript confirm()
• WMLScript prompt()
• WMLScript ceil()
• WMLScript floor()
• WMLScript int()
• WMLScript maxFloat()
• WMLScript minFloat()
• WMLScript pow()
• WMLScript round()
• WMLScript sqrt()

• WMLScript round()
• [WML Script]

sqrt() 函数返回一个数的平方根。

语法

n = Float.sqrt(x)

例子

var a = Float.sqrt(9);
var b = Float.sqrt(6.25);

结果

a = 3
b = 2.5

• WMLScript round()
• [WML Script]