Chapter 4

(1)

Chapter 4

The Basics

of JavaScript

(2)

4-2

TABLE 4.1

The Reserved Words of JavaScript

(3)

4-3

FIGURE 4.1 Primitives and objects

(4)

4-4

TABLE 4.2 Precedence and Associativity

of the Numeric Operators

(5)

4-5

TABLE 4.3 Properties of Number

(6)

4-6

TABLE 4.4 String Methods

(7)

4-7

TABLE 4.5 Methods for the Date Object

(8)

4-8

TABLE 4.5

Methods for the Date Object (Continued)

(9)

4-9

FIGURE 4.2 An example of the output of

document.write

(10)

4-10

FIGURE 4.3

An example of the output of alert

(11)

4-11

FIGURE 4.4

An example of the output of confirm

(12)

4-12

FIGURE 4.5

An example of the output of prompt

(13)

4-13

TABLE 4.6 Relational Operators

(14)

4-14

TABLE 4.7

Operator Precedence and Associativity

(15)

4-15

FIGURE 4.6

Dialog box from borders2.html

(16)

4-16

FIGURE 4.7 Display of borders2.html

(17)

4-17

FIGURE 4.8 Display of date.html

(18)

4-18

FIGURE 4.9

Display of nested_arrays.html

(19)

4-19

FIGURE 4.10 Display of parameters.html

(20)

4-20

FIGURE 4.11 Display of medians.html

(21)

4-21

TABLE 4.8 Predefined Character Classes

(22)

4-22

FIGURE 4.12

Display of forms_check.html

(23)

4-23

FIGURE 4.13 Display of debugdemo.html

with Internet Explorer 6

(24)

Chapter 4

Chapter 4

The Basics

of JavaScript

4-2

TABLE 4.1

The Reserved Words of JavaScript

4-3

FIGURE 4.1 Primitives and objects

4-4

TABLE 4.2 Precedence and Associativity

of the Numeric Operators

4-5

TABLE 4.3 Properties of Number

4-6

TABLE 4.4 String Methods

4-7

TABLE 4.5 Methods for the Date Object

4-8

TABLE 4.5

Methods for the Date Object (Continued)

4-9

FIGURE 4.2 An example of the output of

document.write

4-10

FIGURE 4.3

An example of the output of alert

4-11

FIGURE 4.4

An example of the output of confirm

4-12

FIGURE 4.5

An example of the output of prompt

4-13

TABLE 4.6 Relational Operators

4-14

TABLE 4.7

Operator Precedence and Associativity

4-15

FIGURE 4.6

Dialog box from borders2.html

4-16

FIGURE 4.7 Display of borders2.html

4-17

FIGURE 4.8 Display of date.html

4-18

FIGURE 4.9

Display of nested_arrays.html

4-19

FIGURE 4.10 Display of parameters.html

4-20

FIGURE 4.11 Display of medians.html

4-21

TABLE 4.8 Predefined Character Classes

4-22

FIGURE 4.12

Display of forms_check.html

4-23

FIGURE 4.13 Display of debugdemo.html

with Internet Explorer 6

4-24

FIGURE 4.14 Display of the Netscape 7

JavaScript Console