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JS-String-Methods-II.html
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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 String Methods - II</title>
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<h1>JS String Methods - II</h1>
<hr />
<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">var</span> str <span class="token operator">=</span> <span class="token string">"JavaScript is a Great is Language"</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> str2 <span class="token operator">=</span> <span class="token string">"Hello"</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> str3 <span class="token operator">=</span> <span class="token number">50</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> a <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">charAt</span><span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* CharAt Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>a <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> b <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">charCodeAt</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* CharCodeAt Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>b <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> c <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">fromCharCode</span><span class="token punctuation">(</span><span class="token number">65</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* FromCharCode Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>c <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> d <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">concat</span><span class="token punctuation">(</span>str2<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Concat Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>d <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> e <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">" "</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Split Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>e <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> f <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">repeat</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Repeat Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>f <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> g <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">,</span><span class="token number">10</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Slice Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>g <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> h <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">substr</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span><span class="token number">5</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Substr Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>h <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> i <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">,</span><span class="token number">5</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Substring Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> j <span class="token operator">=</span> str3<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Tostring Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>j <span class="token operator">+</span> <span class="token number">20</span> <span class="token operator">+</span> <span class="token string">"<br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> k <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">/* Valueof Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>k <span class="token operator">+</span> <span class="token string">"<br>"</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>
<hr />
<img
src="images/Ascii code table.jpg"
alt=""
width="100%
"
/>
<hr />
</body>
<script>
"use strict";
let str = "This Is Original String";
document.write(str + "<br>");
let a = str.charAt(6);
document.write(a + "<br>");
a = str.charCodeAt(5);
document.write(a + "<br>");
a = String.fromCharCode(73);
document.write(a + "<br>");
let b = " Another string";
a = str.concat(b);
document.write(a + "<br>");
a = str.split(" ");
document.write(a + "<br>");
a = str.repeat(2);
document.write(a + "<br>");
a = str.slice(3, 10);
document.write(a + "<br>");
a = str.substr(2, 5);
document.write(a + "<br>");
a = str.substring(2, 5);
document.write(a + "<br>");
a = str.toString();
document.write(a + "<br>");
</script>
</html>