String.prototype.substr

Returns a substring beginning at the specified location and having the specified length.

Note

This method is considered deprecated. Use substring instead.

Syntax

substr(start, length?)

Parameters

• start

  The starting index of the desired substring. The index of the first character in the string is zero.

• length

  The number of UTF-16 code units to include in the returned substring.

  If omitted, returns the substring starting at startIndex until the end of the string.

Return value

A string.

Examples

"spring".substr(1, 3)

"pri"

"spring".substr(1)

"pring"

See also

• substring