RangeError
The RangeError
object indicates an error when a value is not in the set or range of allowed values.
Description
A RangeError
is thrown when trying to pass a value as an argument to a function that does not allow a range that includes the value.
This can be encountered when:
- passing a value that is not one of the allowed string values to
String.prototype.normalize()
, or - when attempting to create an array of an illegal length with the
Array
constructor, or - when passing bad values to the numeric methods
Number.prototype.toExponential()
,Number.prototype.toFixed()
orNumber.prototype.toPrecision()
.
Constructor
RangeError()
-
Creates a new
RangeError
object.
Instance properties
RangeError.prototype.message
-
Error message.
RangeError.prototype.name
-
Error name. Inherited from
Error
. RangeError.prototype.fileName
-
Path to file that raised this error. Inherited from
Error
. RangeError.prototype.lineNumber
-
Line number in file that raised this error. Inherited from
Error
. RangeError.prototype.columnNumber
-
Column number in line that raised this error. Inherited from
Error
. RangeError.prototype.stack
-
Stack trace. Inherited from
Error
.
Examples
Using RangeError (for numeric values)
function check(n)
{
if( !(n >= -500 && n <= 500) )
{
throw new RangeError("The argument must be between -500 and 500.")
}
}
try
{
check(2000)
}
catch(error)
{
if (error instanceof RangeError)
{
// Handle the error
}
}
Using RangeError (for non-numeric values)
function check(value)
{
if(["apple", "banana", "carrot"].includes(value) === false)
{
throw new RangeError('The argument must be an "apple", "banana", or "carrot".')
}
}
try
{
check("cabbage")
}
catch(error)
{
if(error instanceof RangeError)
{
// Handle the error
}
}
Specifications
Specification |
---|
ECMAScript Language Specification # sec-native-error-types-used-in-this-standard-rangeerror |
Browser compatibility
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