* chore(learn): audit basic algorithm scripting * chore(learn): audit basic data structures * chore(learn): audit basic javascript * chore(learn): audit debugging * chore(learn): audit es6 * chore(learn): audit functional programming * chore(learn): audit intermidate algorithms * chore(learn): audit js projects * chore(learn): audit object oriented programming * chore(learn): audit regex * fix(learn): remove stray . * fix(learn): string to code * fix(learn): missed some * fix(learn): clarify strings Based on Randy's feedback, clarifies string instances where quotes were removed in favour of back ticks. * fix: apply suggestions - thanks Randy! :) Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> * fix: non-suggestion comments * chore(learn): remove comments from codes Removes the comments from the description and instruction code blocks to ensure that all relevant information is translatable. * fix: Apply suggestions from code review Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> * fix: revert crowdin fix * Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.md Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> * fix: Apply suggestions from code review Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> * Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/use-destructuring-assignment-to-assign-variables-from-arrays.md Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> * fix: Apply suggestions from code review Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> * chore: change voice * fix: Christopher Nolan * fix: expressions would evaluate * fix: will -> would * Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/object-oriented-programming/add-methods-after-inheritance.md Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> * fix: to work to push * Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-with-javascript-for-loops.md Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> * Update curriculum/challenges/english/02-javascript-algorithms-and-data-structures/object-oriented-programming/add-methods-after-inheritance.md Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> Co-authored-by: Shaun Hamilton <51722130+ShaunSHamilton@users.noreply.github.com> Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
101 lines
1.9 KiB
Markdown
101 lines
1.9 KiB
Markdown
---
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id: 56533eb9ac21ba0edf2244cc
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title: Accessing Nested Objects
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challengeType: 1
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videoUrl: 'https://scrimba.com/c/cRnRnfa'
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forumTopicId: 16161
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dashedName: accessing-nested-objects
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---
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# --description--
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The sub-properties of objects can be accessed by chaining together the dot or bracket notation.
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Here is a nested object:
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```js
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var ourStorage = {
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"desk": {
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"drawer": "stapler"
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},
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"cabinet": {
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"top drawer": {
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"folder1": "a file",
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"folder2": "secrets"
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},
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"bottom drawer": "soda"
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}
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};
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ourStorage.cabinet["top drawer"].folder2;
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ourStorage.desk.drawer;
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```
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`ourStorage.cabinet["top drawer"].folder2` would be the string `secrets`, and `ourStorage.desk.drawer` would be the string `stapler`.
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# --instructions--
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Access the `myStorage` object and assign the contents of the `glove box` property to the `gloveBoxContents` variable. Use dot notation for all properties where possible, otherwise use bracket notation.
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# --hints--
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`gloveBoxContents` should equal the string `maps`.
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```js
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assert(gloveBoxContents === 'maps');
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```
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Your code should use dot and bracket notation to access `myStorage`.
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```js
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assert(/=\s*myStorage\.car\.inside\[\s*("|')glove box\1\s*\]/g.test(code));
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```
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# --seed--
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## --after-user-code--
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```js
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(function(x) {
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if(typeof x != 'undefined') {
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return "gloveBoxContents = " + x;
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}
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return "gloveBoxContents is undefined";
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})(gloveBoxContents);
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```
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## --seed-contents--
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```js
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// Setup
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var myStorage = {
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"car": {
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"inside": {
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"glove box": "maps",
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"passenger seat": "crumbs"
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},
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"outside": {
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"trunk": "jack"
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}
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}
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};
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var gloveBoxContents = undefined; // Change this line
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```
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# --solutions--
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```js
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var myStorage = {
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"car":{
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"inside":{
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"glove box":"maps",
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"passenger seat":"crumbs"
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},
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"outside":{
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"trunk":"jack"
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}
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}
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};
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var gloveBoxContents = myStorage.car.inside["glove box"];
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```
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