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Title: new调用函数和普通调用函数的区别 · Issue #1 · K0II/JavaScript · GitHub

Open Graph Title: new调用函数和普通调用函数的区别 · Issue #1 · K0II/JavaScript

X Title: new调用函数和普通调用函数的区别 · Issue #1 · K0II/JavaScript

Description: new调用函数和普通调用函数的区别（一） function test() { this.name = 'Test'; return function() { return true; } } var foo = new test(); var bar = test(); typeof foo; // function typeof bar; // function foo; // function() bar; // function() foo.name; // 空字...

Open Graph Description: new调用函数和普通调用函数的区别（一） function test() { this.name = 'Test'; return function() { return true; } } var foo = new test(); var bar = test(); typeof foo; // function typeof bar; // function foo; // funct...

X Description: new调用函数和普通调用函数的区别（一） function test() { this.name = 'Test'; return function() { return true; } } var foo = new test(); var bar = test(); typeof foo; // function typeof bar; // function foo; ...

Opengraph URL: https://github.com/K0II/JavaScript/issues/1

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"new调用函数和普通调用函数的区别","articleBody":"### new调用函数和普通调用函数的区别（一）\n\n``` javascript\n\nfunction test() {\n　　this.name = 'Test';\n　　return function() { return true; }\n}\n\nvar foo = new test();\nvar bar = test();\n\ntypeof foo;    //  function\ntypeof bar;    //  function\n\nfoo;    // function()\nbar;    // function()\n\nfoo.name;    //  空字符串\nbar.name;    //  空字符串\n\nfoo();    //  true\nbar();    //  true\n\nfoo === bar;    //  false\n\nvar baz = test();\nbar === baz;    //  false\n\n```\n\n各种测试发现，当test函数return的是一个函数的时候没有区别，哪怕`foo === bar;    //  false` 也不意外\n","author":{"url":"https://github.com/K0II","@type":"Person","name":"K0II"},"datePublished":"2016-05-22T00:34:39.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/1/JavaScript/issues/1"}

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