# itermax > Compute the maximum value of all [iterated][mdn-iterator-protocol] values.
## Usage ```javascript var itermax = require( '@stdlib/stats/iter/max' ); ``` #### itermax( iterator ) Computes the maximum value of all [iterated][mdn-iterator-protocol] values. ```javascript var array2iterator = require( '@stdlib/array/to-iterator' ); var arr = array2iterator( [ 1.0, -2.0, 3.0, -4.0 ] ); var m = itermax( arr ); // returns 3.0 ```
## Notes - If an iterated value is non-numeric (including `NaN`), the returned [`iterator`][mdn-iterator-protocol] returns `NaN`. If non-numeric iterated values are possible, you are advised to provide an [`iterator`][mdn-iterator-protocol] which type checks and handles non-numeric values accordingly.
## Examples ```javascript var runif = require( '@stdlib/random/iter/uniform' ); var itermax = require( '@stdlib/stats/iter/max' ); // Create an iterator for generating uniformly distributed pseudorandom numbers: var rand = runif( -10.0, 10.0, { 'seed': 1234, 'iter': 100 }); // Compute the maximum value: var m = itermax( rand ); // returns console.log( 'Max: %d.', m ); ```