x = 1234.56789

Another way to format a floating number is to multiply it by the proper power of 10, round it to an integer, and then divide it back to the same power of 10. In the above example, you would multiply 1234.56789 by 10,000, get 12345678.9, round it to 12345679, and then divide it by 10,000 to get 1234.5679. Try it.

People who read this tip also read these tips:

• Passing Parameters in JavaScript
• Bitwise Operators
• The Bitwise Left Shift Operator
• Avoiding Side Effects
• Type Conversion

Look for similar tips by subject:

• Dynamic HTML
• Style Sheets
• Numbers

---