* chore: rename APIs and Microservices to include "Backend" (#42515) * fix typo * fix typo * undo change * Corrected grammar mistake Corrected a grammar mistake by removing a comma. * change APIs and Microservices cert title * update title * Change APIs and Microservices certi title * Update translations.json * update title * feat(curriculum): rename apis and microservices cert * rename folder structure * rename certificate * rename learn Markdown * apis-and-microservices -> back-end-development-and-apis * update backend meta * update i18n langs and cypress test Co-authored-by: Shaun Hamilton <shauhami020@gmail.com> * fix: add development to front-end libraries (#42512) * fix: added-the-word-Development-to-front-end-libraries * fix/added-the-word-Development-to-front-end-libraries * fix/added-word-development-to-front-end-libraries-in-other-related-files * fix/added-the-word-Development-to-front-end-and-all-related-files * fix/removed-typos-from-last-commit-in-index.md * fix/reverted-changes-that-i-made-to-dependecies * fix/removed xvfg * fix/reverted changes that i made to package.json * remove unwanted changes * front-end-development-libraries changes * rename backend certSlug and README * update i18n folder names and keys * test: add legacy path redirect tests This uses serve.json from the client-config repo, since we currently use that in production * fix: create public dir before moving serve.json * fix: add missing script * refactor: collect redirect tests * test: convert to cy.location for stricter tests * rename certificate folder to 00-certificates * change crowdin config to recognise new certificates location * allow translations to be used Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com> * add forwards slashes to path redirects * fix cypress path tests again * plese cypress * fix: test different challenge Okay so I literally have no idea why this one particular challenge fails in Cypress Firefox ONLY. Tom and I paired and spun a full build instance and confirmed in Firefox the page loads and redirects as expected. Changing to another bootstrap challenge passes Cypress firefox locally. Absolutely boggled by this. AAAAAAAAAAAAAAA * fix: separate the test Okay apparently the test does not work unless we separate it into a different `it` statement. >:( >:( >:( >:( Co-authored-by: Sujal Gupta <55016909+heysujal@users.noreply.github.com> Co-authored-by: Noor Fakhry <65724923+NoorFakhry@users.noreply.github.com> Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>
126 lines
3.0 KiB
Markdown
126 lines
3.0 KiB
Markdown
---
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id: bad87fee1348bd9aec908855
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title: 给每个元素一个唯一的 id
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challengeType: 0
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forumTopicId: 18191
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dashedName: give-each-element-a-unique-id
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---
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# --description--
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也可以通过 jQuery 根据每个按钮唯一的 id 来定位出它们。
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给每一个按钮设置唯一的 id,以 `target1` 开始,`target6` 结束。
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确保 `target1` 到 `target3` 在 `#left-well` 之中,`target4` 到 `target6` 在 `#right-well` 之中。
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# --hints--
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其中一个 `button` 元素应该有 id `target1`。
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```js
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assert(
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$('#left-well').children('#target1') &&
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$('#left-well').children('#target1').length > 0
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);
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```
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其中一个 `button` 元素应该有 id `target2`。
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```js
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assert(
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$('#left-well').children('#target2') &&
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$('#left-well').children('#target2').length > 0
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);
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```
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其中一个 `button` 元素应该有 id `target3`。
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```js
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assert(
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$('#left-well').children('#target3') &&
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$('#left-well').children('#target3').length > 0
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);
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```
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其中一个 `button` 元素应该有 id `target4`。
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```js
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assert(
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$('#right-well').children('#target4') &&
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$('#right-well').children('#target4').length > 0
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);
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```
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其中一个 `button` 元素应该有 id `target5`。
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```js
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assert(
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$('#right-well').children('#target5') &&
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$('#right-well').children('#target5').length > 0
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);
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```
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其中一个 `button` 元素应有 id `target6`。
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```js
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assert(
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$('#right-well').children('#target6') &&
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$('#right-well').children('#target6').length > 0
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);
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```
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# --seed--
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## --seed-contents--
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```html
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<div class="container-fluid">
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<h3 class="text-primary text-center">jQuery Playground</h3>
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<div class="row">
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<div class="col-xs-6">
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<h4>#left-well</h4>
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<div class="well" id="left-well">
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></button>
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</div>
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</div>
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<div class="col-xs-6">
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<h4>#right-well</h4>
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<div class="well" id="right-well">
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></button>
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<button class="btn btn-default target"></button>
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</div>
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</div>
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</div>
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</div>
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```
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# --solutions--
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```html
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<div class="container-fluid">
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<h3 class="text-primary text-center">jQuery Playground</h3>
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<div class="row">
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<div class="col-xs-6">
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<h4>#left-well</h4>
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<div class="well" id="left-well">
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<button class="btn btn-default target" id="target1"></button>
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<button class="btn btn-default target" id="target2"></button>
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<button class="btn btn-default target" id="target3"></button>
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</div>
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</div>
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<div class="col-xs-6">
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<h4>#right-well</h4>
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<div class="well" id="right-well">
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<button class="btn btn-default target" id="target4"></button>
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<button class="btn btn-default target" id="target5"></button>
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<button class="btn btn-default target" id="target6"></button>
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</div>
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</div>
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</div>
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</div>
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```
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