本文档基于 CC协议(Creative Commons Share-Alike License)发布,是developer.mozilla.com, www.mozref.comwww.aptana.com共同劳动的成果。

<<=

Shifts the first item in binary representation the second item of bits to the left, shifting in zeros from the right, and assigns this total to the first item.

Syntax

valueA <<= valueB

Example

Remarks

"valueA <<= valueB" is shorthand for "valueA = valueA << valueB".