string - XPath 编辑

The string function converts the given argument to a string.

Syntax

string( [object] )

Arguments

object(optional)

The object to convert to a string. If omitted, the context node is used.

Returns

A string

Notes

• If the object is a node-set, the string value of the first node in the set is returned.
• A number is converted as follows:
  • NaN is converted to the string NaN.
  • Positive zero is converted to the string 0.
  • Negative zero is converted to the string 0.
  • Positive infinity is converted to the string Infinity.
  • Negative infinity is converted to the string -Infinity.
  • Decimal numbers between -1 and 1 are converted to a string with a single leading 0 before the decimal point.
  • Boolean true is converted to the string true.
  • Boolean false is converted to the string false.

Defined

XPath 1.0 4.2

Gecko support

Supported.