Web server extensions - A Arithmetic type (Definition) Warnings: . Applying
A Arithmetic type (Definition) Warnings: . Applying some operators causes a strange degenerative effect in the accuracy. On the Macintosh in MSIE 5.0 and in Netscape 4, the following loop generates a very strange sequence of numbers that are quite erroneous: for(myEnum = 1.5; myEnum > -2; myEnum -= 0.1) { document.write(myEnum + “
“); } . There are some very odd and subtle mathematical errors in the arithmetic handling within the Macintosh platform, and it surely must be the platform since the same behavior is found on both MSIE and Netscape. Additive operator, Expression, Mathematics, Multiplicative operator, Postfix operator, Prefix decrement (–), Prefix increment (++), Prefix operator, Remainder (%), Remainder then assign (%=), Subtract (-), Subtract then assign (-=), Type conversion See also: Cross-references: Wrox Instant JavaScript page 18 Arithmetic type (Definition) A subset of the native types concerned with numeric values. In the C language, programmers need to be aware of the many and various types of numeric value. JavaScript hides a great deal of this complexity by presenting a Number data type. However, internally it still uses 32 bit integer values, 16 bit integer values, signed and unsigned integers, and floating-point values. Arithmetic type values are used with arithmetic operators to build arithmetic expressions. Characters are maintained as single character strings, but can be represented numerically by converting them to their Unicode code point value using the method String.charCodeAt(). You can convert back again using the String.fromCharCode() method. See also: String.charCodeAt(), String.fromCharCode()
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