<span class="token operator">&lt;</span><span class="token operator">!</span><span class="token constant">DOCTYPE</span> html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>body<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>h2<span class="token operator">&gt;</span>JavaScript For Loop<span class="token operator">&lt;</span><span class="token operator">/</span>h2<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>p id<span class="token operator">=</span><span class="token string">"demo"</span><span class="token operator">&gt;</span><span class="token operator">&lt;</span><span class="token operator">/</span>p<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>script<span class="token operator">&gt;</span>
<span class="token keyword">var</span> text <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> i<span class="token punctuation">;</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span>i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> <span class="token number">5</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  text <span class="token operator">+=</span> <span class="token string">"The number is "</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">"&lt;br&gt;"</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"demo"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> text<span class="token punctuation">;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>script<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">/</span>body<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>html<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">!</span><span class="token constant">DOCTYPE</span> html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>body<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>h2<span class="token operator">&gt;</span>JavaScript For Loop<span class="token operator">&lt;</span><span class="token operator">/</span>h2<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>p id<span class="token operator">=</span><span class="token string">"demo"</span><span class="token operator">&gt;</span><span class="token operator">&lt;</span><span class="token operator">/</span>p<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>script<span class="token operator">&gt;</span>
<span class="token keyword">var</span> cars <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">"BMW"</span><span class="token punctuation">,</span> <span class="token string">"Volvo"</span><span class="token punctuation">,</span> <span class="token string">"Saab"</span><span class="token punctuation">,</span> <span class="token string">"Ford"</span><span class="token punctuation">,</span> <span class="token string">"Fiat"</span><span class="token punctuation">,</span> <span class="token string">"Audi"</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> text <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> i<span class="token punctuation">;</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span>i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> cars<span class="token punctuation">.</span>length<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  text <span class="token operator">+=</span> cars<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">+</span> <span class="token string">"&lt;br&gt;"</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"demo"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> text<span class="token punctuation">;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>script<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">/</span>body<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>html<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">!</span><span class="token constant">DOCTYPE</span> html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>body<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>h2<span class="token operator">&gt;</span>JavaScript While Loop<span class="token operator">&lt;</span><span class="token operator">/</span>h2<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>p id<span class="token operator">=</span><span class="token string">"demo"</span><span class="token operator">&gt;</span><span class="token operator">&lt;</span><span class="token operator">/</span>p<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>script<span class="token operator">&gt;</span>
<span class="token keyword">var</span> text <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> <span class="token number">10</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  text <span class="token operator">+=</span> <span class="token string">"&lt;br&gt;The number is "</span> <span class="token operator">+</span> i<span class="token punctuation">;</span>
  i<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">getElementById</span><span class="token punctuation">(</span><span class="token string">"demo"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> text<span class="token punctuation">;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>script<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">/</span>body<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>html<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">!</span><span class="token constant">DOCTYPE</span> html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>html<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>body<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>h2<span class="token operator">&gt;</span>JavaScript Do<span class="token operator">/</span>While Loop<span class="token operator">&lt;</span><span class="token operator">/</span>h2<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>p id<span class="token operator">=</span><span class="token string">"demo"</span><span class="token operator">&gt;</span><span class="token operator">&lt;</span><span class="token operator">/</span>p<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span>script<span class="token operator">&gt;</span>
<span class="token keyword">var</span> text <span class="token operator">=</span> <span class="token string">""</span>
<span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>

<span class="token keyword">do</span> <span class="token punctuation">{</span>
  text <span class="token operator">+=</span> <span class="token string">"&lt;br&gt;The number is "</span> <span class="token operator">+</span> i<span class="token punctuation">;</span>
  i<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> <span class="token number">10</span><span class="token punctuation">)</span><span class="token punctuation">;</span>  

document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"demo"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>innerHTML <span class="token operator">=</span> text<span class="token punctuation">;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>script<span class="token operator">&gt;</span>

<span class="token operator">&lt;</span><span class="token operator">/</span>body<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>html<span class="token operator">&gt;</span>