Javascript teszt kérdés lehet
Mi a kimenete az alábbi kód(ok)nak?
function a(version) {
this.version = version;
}
a.prototype.version = ‘1.8’;
var b = new a(‘1.8.1’);
delete b.version;
var c = b.version;
alert(c);
/*
function a() {
(‘Outer function!’);
return function(){
(‘Inner function!’);
};
}
var a = a();
a();
*/
//(typeof(Infinity));
/*
var a = ‘1’;
b = 2 * a;
c = typeof(b);
(c);
*/
/*
function a() {
var x = [];
var i = 0;
a[i] = function(){
return i;
}
i++;
(a[0]());
}
a();
*/
//(null == null);
//(self == window);
/*
if (document.addEventListener){
(“addEventListener”);
} else if (document.attachEvent){
(“attachEvent”);
*/
/*
function a(){}
var b = typeof(a.prototype);
(b);
*/
/*
var a = {a1: 1, a2: 2};
var b = 0;
for (i in a) {
b += a[i];
}
(b);
*/
/*
var a = {f: 1};
var b = a;
b.f = 100;
var c = a.f;
(c);
*/
//(typeof(somevar));
/*
function test()
{
return “Hello”;
}
alert(test());
*/