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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 For Loop</title>
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<body>
<h1>JS For Loop</h1>
<p>The for statement creates a loop with 3 optional expressions:</p>
<pre
class="language-javascript"
tabindex="0"
><code class="language-javascript"><span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token parameter">expression <span class="token number">1</span><span class="token punctuation">;</span> expression <span class="token number">2</span><span class="token punctuation">;</span> expression <span class="token number">3</span></span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token comment">// code block to be executed</span>
<span class="token punctuation">}</span></code></pre>
<p>
Expression 1 is executed (one time) before the execution of the code
block.
</p>
<p>Expression 2 defines the condition for executing the code block.</p>
<p>
Expression 3 is executed (every time) after the code block has been
executed.
</p>
<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 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>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 keyword">for</span><span class="token punctuation">(</span><span class="token keyword">var</span> x <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span> x <span class="token operator"><=</span> <span class="token number">10</span><span class="token punctuation">;</span> x<span class="token operator">++</span><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">"Hello Yahoo Baba <br>"</span><span class="token punctuation">)</span><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>
console.time();
for (let a = 1; a <= 500; a++) {
document.write(a + "). HAMZA KHAN LODHI<br>");
// console.log(a + "). HAMZA KHAN LODHI<br>");
}
console.timeEnd();
</script>
</html>