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PODoes a semi-colon matter in JavaScript
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copied!<blockquote> <p><strong>Possible Duplicates:</strong><br> <a href="https://stackoverflow.com/questions/4002234/do-we-need-semicolon-at-the-end">do we need semicolon at the end</a><br> <a href="https://stackoverflow.com/questions/2399935/why-use-semicolon">Why use semicolon?</a><br> <a href="https://stackoverflow.com/questions/42247/are-semicolons-needed-after-an-object-literal-assignment-in-javascript">Are semicolons needed after an object literal assignment in JavaScript?</a><br> <a href="https://stackoverflow.com/questions/537632/should-i-use-semi-colons-in-javascript">Should I use semicolons in JavaScript?</a><br> <a href="https://stackoverflow.com/questions/2983753/should-i-use-semicolon-at-end-of-line-when-coding-javascript">should I use semicolon at end of line when coding JavaScript?</a><br> <a href="https://stackoverflow.com/questions/1976445/enforce-semicolons-in-my-javascript">Enforce semicolons in my Javascript?</a><br> <a href="https://stackoverflow.com/questions/2846283/what-are-the-rules-for-javascripts-automatic-semicolon-insertion">What are the rules for JavaScript's automatic semicolon insertion (ASI)?</a><br> <a href="https://stackoverflow.com/questions/4054204/ive-heard-javascript-inserts-automatically-and-that-may-cause-problems">I've heard Javascript inserts ";" automatically and that may cause problems</a><br> <a href="https://stackoverflow.com/questions/444080/do-you-recommend-using-semicolons-after-every-statement-in-javascript">Do you recommend using semicolons after every statement in JavaScript?</a><br> <a href="https://stackoverflow.com/questions/1834642/best-practice-for-semicolon-after-every-function-in-javascript">Why should I use a semicolon after every function in javascript?</a><br> <a href="https://stackoverflow.com/questions/5171651/javascript-why-is-a-semicolon-required-at-end-of-line">Why is a semicolon required at end of line?</a> </p> </blockquote> <p>This was a strange issue I faced once I was coding.</p> <p>Consider the following:</p> <pre><code>function foo() { alert("This does not have a semi-colon and works in Chrome but not in IE") } </code></pre> <p>and </p> <pre><code>function foo1() { alert("This has a semi-colon and works everywhere"); } </code></pre> <p>Why does this happen?</p>

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