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我想做一個構造函數。然後我試圖使用它的原型並打印「彼得」。但它顯示一個錯誤。打印原型不工作在JS
function main(){
var func1 = function(){
\t this.name = "Peter";
\t this.age = 27;
\t this.class = "10";
}
func1.prototype.printName = function(){
\t console.log(this.name);
}
return func1;
}
var a = main();
a.printName();
https://plnkr.co/edit/jYMbQWbcfZ6Q243Hu1Cf?p=preview –