- JAVASCRIPT:
a. 代码:
var a = function(){
this.int = 0
this.add = function(int){
this.int = int
}
this.watch = function(){
if(this.int==0){
console.log('0')
}else{
console.log('not 0')
}
}
}
var a = new a()
a.watch()
a.add(1)
a.watch()
b. 输出:
0
not 0
- PHP:
a. 代码:
<?php
class a{
public $int = 0;
public function add($int){
$this->int += $int;
}
public function watch(){
if($this->int==0){
echo "0".PHP_EOL;
}else{
echo "not 0".PHP_EOL;
}
}
}
$a = new a();
$a->watch();
$a->add(1);
$a->watch();
b. 输出:
0
not 0
|