fix(guide): simplify directory structure

guide/english/javascript/standard-objects/number/index.md

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+---
+title: Number
+---
+## Number
+
+The `Number` Javacript object represents any kind of number. JavaScript doesn't distinguish separate types of numbers, such as integers or floats. They are all stored in a unified, 64-bit Floating Point format, accorfing to the international IEEE 754 standard<sup>1</sup>.
+
+New `Number` objects are created like this: `var num = new Number(value)` although most commonly they can be created simply by assigning a numeric value to a variable: `var num = 1.616;`. In a non-constructor context (i.e., without the `new` operator), `Number` can be used to perform a type conversion. If the argument cannot be converted into a number, it returns [`NaN`](https://guide.freecodecamp.org/javascript/standard-objects/number/number-nan).
+
+### Sources
+
+1. w3schools.com Staff. [w3schools.com: JavaScript Numbers](https://www.w3schools.com/js/js_numbers.asp) *w3schools.com.* Accessed: October 31, 2017.
+

guide/english/javascript/standard-objects/number/number-epsilon/index.md

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+---
+title: Number EPSILON
+---
+## Number EPSILON
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-epsilon/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-isfinite/index.md

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+---
+title: Number isFinite
+---
+# Number isFinite
+
+## Description
+The ```Number.isFinite()``` method checks if the value passed into it is a finite number. This method was introduced in ES6
+
+## Syntax
+```Number.isFinite(val)```
+
+### Parameters
+
+**val** - value to check for finiteness
+
+## Return value
+
+A [Boolean](https://guide.freecodecamp.org/javascript/booleans) indicating whether the value is a finite number or not.
+
+## Description
+
+```Number.isFinite``` is different from the global [isFinite()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isFinite) method, it doesn’t convert the tested value into a number. This means the value needs to be a number and finite to return true.
+
+## Examples
+
+```
+Number.isFinite(Infinity)     // false
+Number.isFinite(-Infinity)    // false
+
+Number.isFinite(1234)         // true
+Number.isFinite(-1.11)        // true
+Number.isFinite(0)            // true
+Number.isFinite(3g55)         // true
+
+Number.isFinite('1234')       // false
+Number.isFinite('Hi')         // false
+Number.isFinite('2005/12/12') // false
+
+Number.isFinite('0');         // false, would've been true with
+                              // global isFinite('0')
+                         
+Number.isFinite(null);        // false, would've been true with
+                              // global isFinite(null)
+
+```
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+[ECMA 2015 Docs](https://www.ecma-international.org/ecma-262/6.0/#sec-number.isfinite)
+<br>
+[Number.isFinite() MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite)
+

guide/english/javascript/standard-objects/number/number-isinteger/index.md

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+---
+title: Number isInteger
+---
+# Number isInteger
+
+## Description
+The ```Number.isInteger()``` method determines whether the passed value is an integer. This method was introduced in ES6
+
+## Syntax
+```Number.isInteger(val)```
+
+### Parameters
+
+**val** - value to check for being an integer
+
+## Return value
+
+A [Boolean](https://guide.freecodecamp.org/javascript/booleans) indicating whether the value is an integer or not.
+
+## Description
+
+The method returns ```true``` if passed value is an integer, otherwise it returns ```false```. Infinite and ```NaN``` values return ```false```.
+
+## Examples
+
+```
+Number.isInteger(0);         // true
+Number.isInteger(-0);        // true
+Number.isInteger(1);         // true
+Number.isInteger(2);         // true
+Number.isInteger(-100001);   // true
+Number.isInteger(999999999999999999999999); // true
+
+Number.isInteger(0.1);       // false
+Number.isInteger(0.3);       // false
+Number.isInteger(Math.PI);   // false
+
+Number.isInteger(NaN);       // false
+Number.isInteger(Infinity);  // false
+Number.isInteger(-Infinity); // false
+Number.isInteger('10');      // false
+Number.isInteger(true);      // false
+Number.isInteger(false);     // false
+Number.isInteger([1]);       // false
+```
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+[ECMA 2015 Docs](https://www.ecma-international.org/ecma-262/6.0/#sec-number.isinteger)
+<br>
+[Number.isInteger() MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger)

guide/english/javascript/standard-objects/number/number-isnan/index.md

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+---
+title: Number isNaN
+---
+## Number isNaN
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-isnan/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-issafeinteger/index.md

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+---
+title: Number isSafeInteger
+---
+## Number isSafeInteger
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-issafeinteger/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-max-safe-integer/index.md

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+---
+title: Number MAX_SAFE_INTEGER
+---
+## Number MAX_SAFE_INTEGER
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-max_safe_integer/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-max-value/index.md

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+---
+title: Number MAX_VALUE
+---
+## Number MAX_VALUE
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-max_value/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-min-value/index.md

@@ -0,0 +1,15 @@
+---
+title: Number MIN_VALUE
+---
+## Number MIN_VALUE
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-min_value/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-nan/index.md

@@ -0,0 +1,15 @@
+---
+title: Number NaN
+---
+## Number NaN
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-nan/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-negative-infinity/index.md

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+---
+title: Number NEGATIVE_INFINITY
+---
+## Number NEGATIVE_INFINITY
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-negative_infinity/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-parsefloat/index.md

@@ -0,0 +1,15 @@
+---
+title: Number parseFloat
+---
+## Number parseFloat
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-parsefloat/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-parseint/index.md

@@ -0,0 +1,15 @@
+---
+title: Number parseInt
+---
+## Number parseInt
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-parseint/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-positive-infinity/index.md

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+---
+title: Number POSITIVE_INFINITY
+---
+## Number POSITIVE_INFINITY
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-positive_infinity/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-toexponential/index.md

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+---
+title: Number.prototype.toExponential
+---
+## Number.prototype.toExponential
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-toexponential/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-tofixed/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.toFixed
+---
+## Number.prototype.toFixed
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-tofixed/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-tolocalestring/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.toLocaleString
+---
+## Number.prototype.toLocaleString
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-tolocalestring/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-toprecision/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.toPrecision
+---
+## Number.prototype.toPrecision
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-toprecision/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-tosource/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.toSource
+---
+## Number.prototype.toSource
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-tosource/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-tostring/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.toString
+---
+## Number.prototype.toString
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-tostring/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+

guide/english/javascript/standard-objects/number/number-prototype-valueof/index.md

@@ -0,0 +1,15 @@
+---
+title: Number.prototype.valueOf
+---
+## Number.prototype.valueOf
+
+This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/javascript/standard-objects/number/number-prototype-valueof/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+
+<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+
+<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+
+#### More Information:
+<!-- Please add any articles you think might be helpful to read before writing the article -->
+
+