Lodash - range method


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Syntax

_.range([start=0], end, [step=1])

Creates an array of numbers (positive and/or negative) progressing from start up to, but not including, end. A step of -1 is used if a negative start is specified without an end or step. If end is not specified, it's set to start with start then set to 0.

Arguments

  • [start=0] (number) − The start of the range.

  • end (number) − The end of the range.

  • [step=1] (number) − The value to increment or decrement by.

Output

  • (Array) − Returns the range of numbers.

Example

var _ = require('lodash');

console.log(_.range(4));
console.log(_.range(0, 20, 5));

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

[ 0, 1, 2, 3 ]
[ 0, 5, 10, 15 ]
lodash_util.htm
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