Usage
var Function = require( '@stdlib/function-ctor' );
Function( [...argNames,] body )
Returns a new function object.
var greet = new Function( 'name', 'return "Hello, "+name+"!"' );
var v = greet( 'Jane' );
Argument names must be strings corresponding to valid JavaScript parameters (i.e., a plain identifier, or, in environments supporting such parameters, a rest parameter or destructured parameter, optionally with a default).
Properties
Function.prototype.length
A number representing the number of arguments expected by the function.
var greet = new Function( 'name', 'return "Hello, "+name+"!"' );
var v = greet.length;
Function.prototype.name
Read-only property representing the name of the function.
function greet( name ) {
return 'Hello, '+name+'!';
}
v = greet.name;
var fcn = new Function( 'name', 'return "Hello, "+name+"!"' );
var v = fcn.name;
Function.prototype.prototype
Read-only property representing the prototype of the function.
function greet( name ) {
return 'Hello, '+name+'!';
}
var proto = greet.prototype;
Methods
Function.prototype.apply( thisArg, args )
Calls the specified function witht he given this
argument and arguments provided as an array-like object.
function add( x, y ) {
return x + y;
}
var v = add.apply( null, [ 1, 2 ] );
Function.prototype.bind( thisArg[, arg1[, arg2[, ...]]] )
Returns a new function which invokes the original function with the given this
value and arguments.
functiona add( x, y ) {
return x + y;
}
var add1 = add.bind( null, 1 );
var v = add1( 2 );
Function.prototype.call( thisArg[, arg1[, arg2[, ...]]] )
Calls the specified function with the given this
value and arguments.
function add( x, y ) {
return x + y;
}
var v = add.call( null, 1, 2 );
Function.prototype.toString()
Returns a string representing the function.
function add( x, y ) {
return x + y;
}
var v = add.toString();
Notice
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
License
See LICENSE.
Copyright
Copyright © 2016-2022. The Stdlib Authors.