function Cat(name) {
this.name = name;
}
Cat.prototype.say = function(){
return 'Hello, ' + this.name + '!';
人傻了，还有个空格，看半天
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输了就该认30891
function Cat(name) {
this.name = name;
}
Cat.prototype.say = function(){
return 'Hello, ' + this.name + '!';
}
人傻了，还有个空格，看半天