"point": function(module, exports, require) { function Point(x, y) { this.x = x; this.y = y; }; Point.prototype.toString = function() { return this.x + "," + this.y; }; module.exports = Point; }, //polygon模块 "p
下面的例子,点操作符赋值的属性可写,但是继承的myclass.prototype的初始值不会发生更改;不可写的属性不可写。 function myclass() { } myclass.prototype.x = 1; Object.defineProperty(myclass.prototype, "y", { writable: false, value: 1 }); var a = new myclass(); a.x = 2; console.log(a...
19. Define two functions and call them in main 20. Function which returns int value 21. Define function with void return 22. Define function to calculate the ounces and cups 23. Function declaration 24. Define function to calculate the volumn 25. Function prototype: declare getnum()...
Scope to port –Specify the name of the exporting function port. Call a Simulink Function You can use a function caller and the function prototype to call and execute your function. A function defined in a Simulink Function block can be called from a Function Caller block, a Chart (Stateflo...
Define function to multiply two int #include <stdio.h>intmul(inta,intb);intmain(void) {intx, y, z; x = 10; y = 20; z = mul(x, y);/* 1 */printf("%d", mul(x,y));/* 2 */mul(x, y);/* 3 */return0; }intmul(inta,intb) {returna * b; } ...
($n * $self->scale); } # named arguments: order doesn't matter in the call fun create_point(:$x, :$y, :$color) { print "creating a $color point at ($x, $y)\n"; } create_point( color => "red", x => 10, y => 5, ); package Derived { use Function::Parameters qw...
function hasProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } function isCallable(v) { // NB: modify as necessary if other values than functions are callable. return typeof v === 'function'; } if (typeof desc !== 'object' || desc === null) ...
get:function() {return0xdeadbeef; } });//throws a TypeError: value appears only in data descriptors, get appears only in accessor descriptors 修改属性 Writable 属性 varo = {};//Creates a new objectObject.defineProperty(o,'a', {
var test = { a: 1, b: 2 } var test2 = { a: 10, b: 20, c: 30 } defineProperties(test, test2,{ a: function () { return false; }, b: function () { return true; } }); console.log(Object.getOwnPropertyDescriptors(test)) // { a: { value: 1, writable: true, enumerable...
The property to edit. descriptor Required.A descriptor of the properties to be added or changed: value: value writable : true|false enumerable : true|false configurable : true|false get : function set : functionReturn ValueType Description Object The object beeing passed, with the changes made....