Discussion: The difference between triple equal sign (===) and double equal sign (==) in js and php

<script></li>
<li>var priceOfApple = "3 yuan"; // The price of apples </li>
<li>var priceOfBanana = "3.5 yuan"; // The price of bananas </li>
<li>priceOfApple = parseInt( priceOfApple ); // Parse Apple's Price</li>
<li>var priceOfBanana2 = parseInt( priceOfBanana ); // Parse the price of bananas </li>
<li>if( ( priceOfApple===3 ) && ( priceOfBanana2 === 3 ) // Check whether the parsing is successful</li>
<li>&& ( parseFloat( priceOfBanana ) === 3.5 ) ) </li>
<li>{</li>
<li>alert( "The price of apple:" + priceOfApple // Output the price of the fruit </li>
<li>+ "The integer part of the price of n banana:" + priceOfBanana2</li>
<li>+ "The price of n banana:" + parseFloat( priceOfBanana ) );</li>
<li>}</li>
<li></script>