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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>JS Arithmetic Operators</title>
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<body>
<h1>JavaScript Arithmetic Operators</h1>
<p>
Arithmetic operators are used to perform arithmetic operations on the
operands. The following operators are known as JavaScript arithmetic
operators.
</p>
<table>
<tr>
<th>Operator</th>
<th>Description</th>
<th>Example</th>
</tr>
<tr>
<td>+</td>
<td>Addition</td>
<td>10+20 = 30</td>
</tr>
<tr>
<td>-</td>
<td>Subtraction</td>
<td>20-10 = 10</td>
</tr>
<tr>
<td>*</td>
<td>Multiplication</td>
<td>10*20 = 200</td>
</tr>
<tr>
<td>/</td>
<td>Division</td>
<td>20/10 = 2</td>
</tr>
<tr>
<td>%</td>
<td>Modulus (Remainder)</td>
<td>20%10 = 0</td>
</tr>
<tr>
<td>++</td>
<td>Increment</td>
<td>var a=10; a++; Now a = 11</td>
</tr>
<tr>
<td>--</td>
<td>Decrement</td>
<td>var a=10; a--; Now a = 9</td>
</tr>
</table>
<hr />
<h3>Example:</h3>
<pre
class="language-markup"
tabindex="0"
><code class="language-markup"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>en<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">charset</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>UTF-8<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>viewport<span class="token punctuation">"</span></span> <span class="token attr-name">content</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>width=device-width, initial-scale=1.0<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>meta</span> <span class="token attr-name">http-equiv</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>X-UA-Compatible<span class="token punctuation">"</span></span> <span class="token attr-name">content</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>ie=edge<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>JavaScript<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span><span class="token punctuation">></span></span><span class="token script"><span class="token language-javascript">
<span class="token comment">/* Addition Arithmetic Operators */</span>
<span class="token keyword">var</span> a <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> b <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> c <span class="token operator">=</span> a <span class="token operator">+</span> b<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Subtraction Arithmetic Operators */</span>
<span class="token keyword">var</span> m <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> n <span class="token operator">=</span> <span class="token number">5</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> o <span class="token operator">=</span> m <span class="token operator">-</span> n<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>o<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Multiplication Arithmetic Operators */</span>
<span class="token keyword">var</span> p <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> q <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> r <span class="token operator">=</span> a <span class="token operator">*</span> b<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>r<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Exponentiation Arithmetic Operators */</span>
<span class="token keyword">var</span> d <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> e <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> f <span class="token operator">=</span> d <span class="token operator">**</span> e<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>f<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Division Arithmetic Operators */</span>
<span class="token keyword">var</span> s <span class="token operator">=</span> <span class="token number">14</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> t <span class="token operator">=</span> <span class="token number">2</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> w <span class="token operator">=</span> s <span class="token operator">/</span> t<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>w<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Modulus(Remainder) Arithmetic Operators */</span>
<span class="token keyword">var</span> x <span class="token operator">=</span> <span class="token number">14</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> y <span class="token operator">=</span> <span class="token number">2</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> z <span class="token operator">=</span> a <span class="token operator">%</span> b<span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>z<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Increment Arithmetic Operators */</span>
<span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> j <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>i <span class="token operator">+</span> j<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
i<span class="token operator">++</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>i <span class="token operator">+</span> j<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* Decrement Arithmetic Operators */</span>
<span class="token keyword">var</span> g <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> h <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>g <span class="token operator">+</span> h<span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
g<span class="token operator">--</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>g <span class="token operator">+</span> h<span class="token punctuation">)</span><span class="token punctuation">;</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span></code></pre>
</body>
<script>
let a = 2 + 5;
document.write("2 + 5 = " + a + "<br><br>");
let b = 6 + 1;
document.write("6 - 1 = " + b + "<br><br>");
let d = 6 * 1;
document.write("6 * 1 = " + d + "<br><br>");
let e = 6 / 2;
document.write("6 / 2 = " + e + "<br><br>");
let f = 6 % 2;
document.write("6 % 2 = " + f + "<br><br>");
let g = 6;
document.write(" 6++ = " + g++ + "<br><br>");
</script>
</html>