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----
-title: Arithmetic operators
-slug: Web/JavaScript/Reference/Operators/Arithmetic_Operators
-translation_of: Web/JavaScript/Reference/Operators
-translation_of_original: Web/JavaScript/Reference/Operators/Arithmetic_Operators
----
-<div>{{jsSidebar("Operators")}}</div>
-
-<p><strong>Аритметичните оператори </strong>приемат числови стойности като техен операнд и връща единична числова стойност. Стандартните аритметични оператори са събиране (<strong>+</strong>), изваждане (<strong>-</strong>), умножение (<strong>*</strong>), делене(<strong>/</strong>)</p>
-
-<div>{{EmbedInteractiveExample("pages/js/expressions-arithmetic.html")}}</div>
-
-<div class="hidden">The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone <a href="https://github.com/mdn/interactive-examples">https://github.com/mdn/interactive-examples</a> and send us a pull request.</div>
-
-<h2 id="Addition" name="Addition">Събиране (+)</h2>
-
-<p>Операторът за събиране произвежда сумата от числови операнди или конкатенация на стрингове.</p>
-
-<h3 id="Синтаксис">Синтаксис</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var> + <var>y</var>
-</pre>
-
-<h3 id="Примери">Примери</h3>
-
-<pre class="brush: js">// Number + Number -&gt; събиране
-1 + 2 // 3
-
-// Boolean + Number -&gt; събиране
-true + 1 // 2
-
-// Boolean + Boolean -&gt; събиране
-false + false // 0
-
-// Number + String -&gt; конкатенация
-5 + 'foo' // "5foo"
-
-// String + Boolean -&gt; конкатенация
-'foo' + false // "foofalse"
-
-// String + String -&gt; конкатенация
-'foo' + 'bar' // "foobar"
-</pre>
-
-<h2 id="Subtraction" name="Subtraction">Subtraction (-)</h2>
-
-<p>The subtraction operator subtracts the two operands, producing their difference.</p>
-
-<h3 id="Syntax">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var> - <var>y</var>
-</pre>
-
-<h3 id="Examples">Examples</h3>
-
-<pre class="brush: js">5 - 3     // 2
-3 - 5     // -2
-'foo' - 3 // NaN</pre>
-
-<h2 id="Division" name="Division">Division (/)</h2>
-
-<p>The division operator produces the quotient of its operands where the left operand is the dividend and the right operand is the divisor.</p>
-
-<h3 id="Syntax_2">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var> / <var>y</var>
-</pre>
-
-<h3 id="Examples_2">Examples</h3>
-
-<pre class="brush: js">1 / 2      // returns 0.5 in JavaScript (In Java, returns 0; both are integers)
-// (neither 1 nor 2 is explicitly a floating point number)
-
-Math.floor(3 / 2) // returns 1
-1.0 / 2.0  // returns 0.5 in both JavaScript and Java
-
-2.0 / 0    // returns Infinity
-2.0 / 0.0  // ditto, because 0.0 === 0
-2.0 / -0.0 // returns -Infinity</pre>
-
-<h2 id="Multiplication" name="Multiplication">Multiplication (*)</h2>
-
-<p>The multiplication operator produces the product of the operands.</p>
-
-<h3 id="Syntax_3">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var> * <var>y</var>
-</pre>
-
-<h3 id="Examples_3">Examples</h3>
-
-<pre class="brush: js"> 2 * 2 // 4
--2 * 2 // -4
-Infinity * 0 // NaN
-Infinity * Infinity // Infinity
-'foo' * 2 // NaN
-</pre>
-
-<h2 id="Remainder" name="Remainder">Remainder (%)</h2>
-
-<p>The remainder operator returns the remainder left over when one operand is divided by a second operand. It always takes the sign of the dividend.</p>
-
-<h3 id="Syntax_4">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>var1</var> % <var>var2</var>
-</pre>
-
-<h3 id="Examples_4">Examples</h3>
-
-<pre class="brush: js"> 12 % 5 //  2
--12 % 5 // -2
--1 % 2  // -1
- 1 % -2 //  1
-NaN % 2 // NaN
- 1 % 2  //  1
- 2 % 3  //  2
--4 % 2  // -0
-5.5 % 2 // 1.5
-</pre>
-
-<h2 id="Exponentiation" name="Exponentiation">Exponentiation (**)</h2>
-
-<p>The exponentiation operator returns the result of raising the first operand to the power of the second operand. That is, <code><var>var1</var></code><sup><code><var>var2</var></code></sup>, in the preceding statement, where <code><var>var1</var></code> and <code><var>var2</var></code> are variables. The exponentiation operator is right-associative. <code><var>a</var> ** <var>b</var> ** <var>c</var></code> is equal to <code><var>a</var> ** (<var>b</var> ** <var>c</var>)</code>.</p>
-
-<h3 id="Syntax_5">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>var1</var> ** <var>var2</var>
-</pre>
-
-<h3 id="Notes">Notes</h3>
-
-<p>In most languages, such as PHP, Python, and others that have an exponentiation operator (<code>**</code>), the exponentiation operator is defined to have a higher precedence than unary operators, such as unary <code>+</code> and unary <code>-</code>, but there are a few exceptions. For example, in Bash, the <code>**</code> operator is defined to have a lower precedence than unary operators.</p>
-
-<p>In JavaScript, it is impossible to write an ambiguous exponentiation expression; that is, you cannot put a unary operator (<code>+/-/~/!/delete/void/typeof</code>) immediately before the base number.</p>
-
-<pre class="brush: js">-2 ** 2;
-// 4 in Bash, -4 in other languages.
-// This is invalid in JavaScript, as the operation is ambiguous.
-
-
--(2 ** 2);
-// -4 in JavaScript and the author's intention is unambiguous.
-</pre>
-
-<h3 id="Examples_5">Examples</h3>
-
-<pre class="brush: js">2 ** 3 // 8
-3 ** 2 // 9
-3 ** 2.5 // 15.588457268119896
-10 ** -1 // 0.1
-NaN ** 2 // NaN
-
-2 ** 3 ** 2 // 512
-2 ** (3 ** 2) // 512
-(2 ** 3) ** 2 // 64
-</pre>
-
-<p>To invert the sign of the result of an exponentiation expression:</p>
-
-<pre class="brush: js">-(2 ** 2) // -4
-</pre>
-
-<p>To force the base of an exponentiation expression to be a negative number:</p>
-
-<pre class="brush: js">(-2) ** 2 // 4
-</pre>
-
-<div class="note">
-<p><strong>Note:</strong> JavaScript also has <a href="/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators#Bitwise_XOR">a bitwise operator ^ (logical XOR)</a>. <code>**</code> and <code>^</code> are different (for example : <code>2 ** 3 === 8</code> when <code>2 ^ 3 === 1</code>.)</p>
-</div>
-
-<h2 id="Increment" name="Increment">Increment (++)</h2>
-
-<p>The increment operator increments (adds one to) its operand and returns a value.</p>
-
-<ul>
- <li>If used postfix, with operator after operand (for example, <code><var>x</var>++</code>), then it increments and returns the value before incrementing.</li>
- <li>If used prefix, with operator before operand (for example, <code>++<var>x</var></code>), then it increments and returns the value after incrementing.</li>
-</ul>
-
-<h3 id="Syntax_6">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var>++ or ++<var>x</var>
-</pre>
-
-<h3 id="Examples_6">Examples</h3>
-
-<pre class="brush: js">// Postfix
-var x = 3;
-y = x++; // y = 3, x = 4
-
-// Prefix
-var a = 2;
-b = ++a; // a = 3, b = 3
-</pre>
-
-<h2 id="Decrement" name="Decrement">Decrement (--)</h2>
-
-<p>The decrement operator decrements (subtracts one from) its operand and returns a value.</p>
-
-<ul>
- <li>If used postfix, with operator after operand (for example, <code><var>x</var>--</code>), then it decrements and returns the value before decrementing.</li>
- <li>If used prefix, with operator before operand (for example, <code>--<var>x</var></code>), then it decrements and returns the value after decrementing.</li>
-</ul>
-
-<h3 id="Syntax_7">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> <var>x</var>-- or --<var>x</var>
-</pre>
-
-<h3 id="Examples_7">Examples</h3>
-
-<pre class="brush: js">// Postfix
-var x = 3;
-y = x--; // y = 3, x = 2
-
-// Prefix
-var a = 2;
-b = --a; // a = 1, b = 1
-</pre>
-
-<h2 id="Unary_negation" name="Unary_negation">Unary negation (-)</h2>
-
-<p>The unary negation operator precedes its operand and negates it.</p>
-
-<h3 id="Syntax_8">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> -<var>x</var>
-</pre>
-
-<h3 id="Examples_8">Examples</h3>
-
-<pre class="brush: js">var x = 3;
-y = -x; // y = -3, x = 3
-
-// Unary negation operator can convert non-numbers into a number
-var x = "4";
-y = -x; // y = -4
-</pre>
-
-<h2 id="Unary_plus" name="Unary_plus">Unary plus (+)</h2>
-
-<p>The unary plus operator precedes its operand and evaluates to its operand but attempts to convert it into a number, if it isn't already. Although unary negation (<code>-</code>) also can convert non-numbers, unary plus is the fastest and preferred way of converting something into a number, because it does not perform any other operations on the number. It can convert string representations of integers and floats, as well as the non-string values <code>true</code>, <code>false</code>, and <code>null</code>. Integers in both decimal and hexadecimal (<code>0x</code>-prefixed) formats are supported. Negative numbers are supported (though not for hex). If it cannot parse a particular value, it will evaluate to {{jsxref("NaN")}}.</p>
-
-<h3 id="Syntax_9">Syntax</h3>
-
-<pre class="syntaxbox"><strong>Operator:</strong> +<var>x</var>
-</pre>
-
-<h3 id="Examples_9">Examples</h3>
-
-<pre class="brush: js">+3     // 3
-+'3'   // 3
-+true  // 1
-+false // 0
-+null  // 0
-+function(val){ return val } // NaN
-</pre>
-
-<h2 id="Specifications">Specifications</h2>
-
-<table class="standard-table">
- <thead>
-  <tr>
-   <th scope="col">Specification</th>
-  </tr>
- </thead>
- <tbody>
-  <tr>
-   <td>{{SpecName('ESDraft', '#sec-additive-operators', 'Additive operators')}}</td>
-  </tr>
-  <tr>
-   <td>{{SpecName('ESDraft', '#sec-postfix-expressions', 'Postfix expressions')}}</td>
-  </tr>
-  <tr>
-   <td>{{SpecName('ESDraft', '#sec-11.5', 'Multiplicative operators')}}</td>
-  </tr>
-  <tr>
-   <td>{{SpecName('ESDraft', '#sec-11.4', 'Unary operator')}}</td>
-  </tr>
- </tbody>
-</table>
-
-<h2 id="Browser_compatibility">Browser compatibility</h2>
-
-
-
-<p>{{Compat("javascript.operators.arithmetic")}}</p>
-
-<h2 id="See_also">See also</h2>
-
-<ul>
- <li><a href="/en-US/docs/Web/JavaScript/Reference/Operators/Assignment_Operators">Assignment operators</a></li>
-</ul>
diff --git a/files/bg/web/javascript/reference/operators/разпределящ_синтаксис/index.html b/files/bg/web/javascript/reference/operators/spread_syntax/index.html
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