The _.bitwiseLeft() method returns the result of using the << operator on all the arguments.
Syntax:
_.bitwiseLeft(val1, val2,..., valn);
Parameters: This method returns n values to operate on them.
Return Value: This method returns the result of using the << operator on the arguments.
Note: This will not work in normal JavaScript because it requires the underscore.js contrib library to be installed. Underscore.js contrib library can be installed using npm install underscore-contrib –save.
Example 1:Â
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');Â Â Â var bLÂ = _.bitwiseLeft( 1, 3 ); Â Â console.log("The bitwiseLeft is :", bL); |
Output:
The bitwiseLeft is : 8
Example 2:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');Â Â Â var bLÂ = _.bitwiseLeft( 1, 3, 2 ); Â Â console.log("The bitwiseLeft is :", bL); |
Output:
The bitwiseLeft is : 32
Example 3:Â
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');Â Â Â var bLÂ = _.bitwiseLeft( 1 ); Â Â console.log("The bitwiseLeft is :", bL); |
Output:
The bitwiseLeft is : 1
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