JS-If-Else-If-Statement.html

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    <h1>JavaScript If...else if statement</h1>
    <p>
      It evaluates the content only if expression is true from several
      expressions. The signature of JavaScript if else if statement is given
      below.
    </p>
    <img src="images/JavaScript If...else if statement.png" alt="" />
    <pre
      class="language-javascript"
      tabindex="0"
    ><code class="language-javascript"><span class="token keyword">if</span><span class="token punctuation">(</span>expression1<span class="token punctuation">)</span><span class="token punctuation">{</span>  
     <span class="token comment">//content to be evaluated if expression1 is true  </span>
<span class="token punctuation">}</span>  
<span class="token keyword">else</span> <span class="token keyword">if</span><span class="token punctuation">(</span>expression2<span class="token punctuation">)</span><span class="token punctuation">{</span>  
    <span class="token comment">//content to be evaluated if expression2 is true  </span>
<span class="token punctuation">}</span>  
<span class="token keyword">else</span> <span class="token keyword">if</span><span class="token punctuation">(</span>expression3<span class="token punctuation">)</span><span class="token punctuation">{</span>  
    <span class="token comment">//content to be evaluated if expression3 is true  </span>
<span class="token punctuation">}</span>  
<span class="token keyword">else</span><span class="token punctuation">{</span>  
    <span class="token comment">//content to be evaluated if no expression is true  </span>
<span class="token punctuation">}</span>  </code></pre>
    <br /><br />
    <pre
      class="language-markup"
      tabindex="0"
    ><code class="language-markup"><span class="token doctype"><span class="token punctuation">&lt;!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</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">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>head</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</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">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</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">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</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">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>title</span><span class="token punctuation">&gt;</span></span>JavaScript<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>title</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
        <span class="token comment">/* If Else IF Condition */</span>
        <span class="token keyword">var</span> per <span class="token operator">=</span> <span class="token function">prompt</span><span class="token punctuation">(</span><span class="token string">"Enter your Percentage : "</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

        <span class="token keyword">if</span> <span class="token punctuation">(</span>per <span class="token operator">&gt;=</span> <span class="token number">80</span> <span class="token operator">&amp;&amp;</span> per <span class="token operator">&lt;=</span> <span class="token number">100</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">"You are in Merit."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span><span class="token keyword">else</span>  <span class="token keyword">if</span> <span class="token punctuation">(</span>per <span class="token operator">&gt;=</span> <span class="token number">60</span> <span class="token operator">&amp;&amp;</span> per <span class="token operator">&lt;</span> <span class="token number">80</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">"You are in Ist Division."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span><span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>per <span class="token operator">&gt;=</span> <span class="token number">45</span> <span class="token operator">&amp;&amp;</span> per <span class="token operator">&lt;</span> <span class="token number">60</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">"You are in IIst Division."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span><span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>per <span class="token operator">&gt;=</span> <span class="token number">33</span> <span class="token operator">&amp;&amp;</span> per <span class="token operator">&lt;</span> <span class="token number">45</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">"You are in IIIst Division."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span><span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>per <span class="token operator">&lt;</span> <span class="token number">33</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">"You are Fail."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span><span class="token keyword">else</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">"Please Enter Valid Percentage."</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">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>head</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span></code></pre>
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