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JavaScript code examples - Table of contents

• Operators
  • !=
  • !==
  • %
  • %=
  • &
  • &&
  • &=
  • ()
  • *
  • *=
  • + (unary plus)
  • + (addition)
  • + (string concatenation)
  • ++
  • += (addition with assignment)
  • += (string concatenation with assignment)
  • ,
  • - (unary minus)
  • - (subtraction)
  • --
  • -=
  • /
  • /=
  • .
  • <
  • <<
  • <<=
  • <=
  • =
  • ==
  • ===
  • >
  • >=
  • >>
  • >>=
  • >>>
  • >>>=
  • ?:
  • delete
  • in
  • instanceof
  • new
  • typeof
  • void
  • []
  • ^
  • ^=
  • |
  • |=
  • ||
  • ~
• Methods and properties
  • decodeURI(string)
  • decodeURIComponent(string)
  • encodeURI(string)
  • encodeURIComponent(string)
  • escape(string)
  • eval(code)
  • Infinity
  • isFinite(x)
  • isNaN(x)
  • NaN
  • parseFloat(string)
  • parseInt(string)
  • undefined
  • unescape(string)
  • Array
    • ()
    • (size)
    • (value, ...)
    • concat(value, ...)
    • join()
    • join(separator)
    • length
    • pop()
    • push(value, ...)
    • reverse()
    • shift()
    • slice(start)
    • slice(start, end)
    • sort()
    • sort(function)
    • toLocaleString()
    • toString()
    • unshift(value, ...)
  • Function
    • (arg1, arg2, ..., argN, body)
    • length
    • prototype
    • toString()
  • Object
    • ()
    • constructor
  • String
    • charAt(position)
    • charCodeAt(position)
    • concat(text)
    • fromCharCode(code1, code2, ...,codeN)
    • indexOf(text)
    • indexOf(text, start)
    • lastIndexOf(text)
    • lastIndexOf(text, start)
    • length
    • match(regexp)
    • slice(from)
    • slice(from, to)
    • split(delimiter)
    • split(delimiter, limit)
    • substring(from)
    • substring(from, to)
  • window
    • alert(message)
    • blur()
    • clearInterval(intervalId)
    • close()
    • closed
    • confirm(message)
    • defaultStatus
    • document
    • frames[]
    • history
    • location
    • Math
    • name
    • navigator
    • opener
    • parent
    • prompt(message)
    • screen
    • self
    • setTimeout(code, delay)
    • status
    • top
    • window
  • window.document
    • anchors[]
    • getElementById(id)
    • getElementsByTagName(name)
    • lastModified
    • title
    • URL
    • write(value, ...)
    • writeln(value, ...)
  • window.Math
    • abs(number)
    • acos(number)
    • asin(number)
    • atan(number)
    • ceil(number)
    • cos(angle)
    • E
    • exp(number)
    • floor(number)
    • LN10
    • LN2
    • LOG10E
    • LOG2E
    • PI
    • pow(number1, number2)
    • random()
    • round(number)
    • sin(angle)
    • sqrt(number)
    • SQRT1_2
    • SQRT2
    • tan(angle)
• Miscellaneous useful examples
  • Simulating a static variable