JavaScript Numbers FAQ

JavaScript FAQ | JavaScript Numbers FAQ

• What number formats can I use in JavaScript code?
• How do I handle mathematical constants in JavaScript?
• Is there a way to use octal and hexadecimal values in JavaScript?
• How do I convert numbers to strings?
• How do I convert strings to numbers?
• Can I convert a number to string with exactly n decimal places?
• How do I convert a number to a different base?
• Is there a way to test whether a particular variable holds a number or a string?
• What arithmetic operations are supported in JavaScript?
• What mathematical functions are supported in JavaScript?
• How do I plot a function graph using JavaScript?
• How do I generate random numbers?
• How can I round a number to n decimal places?
• Can I avoid "inaccurate" results in computations, e.g. 0.362*100=36.199999999999996?
• How do I test if a given number n is prime?

See also:

• Can I display mathematical symbols as part of JavaScript output?
• Doing Math with JavaScript

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