apply - nodef/extra-function GitHub Wiki

Invoke a function with specified this-object, and arguments provided as an array.

Similar: call, apply.

function apply(x, ths, args)
// x:    a function
// ths:  this object to invoke with
// args: arguments array

const xfunction = require('extra-function');


var array = [1];
xfunction.apply(Array.prototype.push, array, [2, 3, 4]);  // push(2, 3, 4)
array;
// → [1, 2, 3, 4]

var array = [1, 2, 3, 4];
xfunction.apply(Array.prototype.splice, array, [1, 2]);  // splice(1, 2)
array;
// → [1, 4]

References