--- id: acda2fb1324d9b0fa741e6b5 title: Confirm the Ending isRequired: true challengeType: 5 videoUrl: '' localeTitle: 确认结束 --- ## Description <section id="description">检查字符串(第一个参数<code>str</code> )是否以给定的目标字符串(第二个参数, <code>target</code> )结束。这个挑战<em>可以</em>通过<code>.endsWith()</code>中引入的<code>.endsWith()</code>方法来解决。但是出于这个挑战的目的,我们希望您使用其中一个JavaScript子字符串方法。如果卡住,请记得使用<a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> 。编写自己的代码。 </section> ## Instructions <section id="instructions"> </section> ## Tests <section id='tests'> ```yml tests: - text: '<code>confirmEnding("Bastian", "n")</code>应该返回true。' testString: 'assert(confirmEnding("Bastian", "n") === true, "<code>confirmEnding("Bastian", "n")</code> should return true.");' - text: '<code>confirmEnding("Congratulation", "on")</code>应该返回true。' testString: 'assert(confirmEnding("Congratulation", "on") === true, "<code>confirmEnding("Congratulation", "on")</code> should return true.");' - text: '<code>confirmEnding("Connor", "n")</code>应返回false。' testString: 'assert(confirmEnding("Connor", "n") === false, "<code>confirmEnding("Connor", "n")</code> should return false.");' - text: '<code>confirmEnding("Walking on water and developing software from a specification are easy if both are frozen", "specification")</code>应该返回false。' testString: 'assert(confirmEnding("Walking on water and developing software from a specification are easy if both are frozen", "specification") === false, "<code>confirmEnding("Walking on water and developing software from a specification are easy if both are frozen", "specification")</code> should return false.");' - text: '<code>confirmEnding("He has to give me a new name", "name")</code>应该返回true。' testString: 'assert(confirmEnding("He has to give me a new name", "name") === true, "<code>confirmEnding("He has to give me a new name", "name")</code> should return true.");' - text: '<code>confirmEnding("Open sesame", "same")</code>应该返回true。' testString: 'assert(confirmEnding("Open sesame", "same") === true, "<code>confirmEnding("Open sesame", "same")</code> should return true.");' - text: '<code>confirmEnding("Open sesame", "pen")</code>应该返回false。' testString: 'assert(confirmEnding("Open sesame", "pen") === false, "<code>confirmEnding("Open sesame", "pen")</code> should return false.");' - text: '<code>confirmEnding("Open sesame", "game")</code>应该返回false。' testString: 'assert(confirmEnding("Open sesame", "game") === false, "<code>confirmEnding("Open sesame", "game")</code> should return false.");' - text: '<code>confirmEnding("If you want to save our world, you must hurry. We dont know how much longer we can withstand the nothing", "mountain")</code>应该返回虚假。' testString: 'assert(confirmEnding("If you want to save our world, you must hurry. We dont know how much longer we can withstand the nothing", "mountain") === false, "<code>confirmEnding("If you want to save our world, you must hurry. We dont know how much longer we can withstand the nothing", "mountain")</code> should return false.");' - text: '<code>confirmEnding("Abstraction", "action")</code>应该返回true。' testString: 'assert(confirmEnding("Abstraction", "action") === true, "<code>confirmEnding("Abstraction", "action")</code> should return true.");' - text: 不要使用内置方法<code>.endsWith()</code>来解决挑战。 testString: 'assert(!(/\.endsWith\(.*?\)\s*?;?/.test(code)) && !(/\["endsWith"\]/.test(code)), "Do not use the built-in method <code>.endsWith()</code> to solve the challenge.");' ``` </section> ## Challenge Seed <section id='challengeSeed'> <div id='js-seed'> ```js function confirmEnding(str, target) { // "Never give up and good luck will find you." // -- Falcor return str; } confirmEnding("Bastian", "n"); ``` </div> </section> ## Solution <section id='solution'> ```js // solution required ``` </section>