How to Check for a Hash (#) in a URL using JavaScript

Topic: JavaScript / jQueryPrev|Next

Answer: Use the Window.location Property

You can simply use the location property of a window (i.e. window.location) to check whether a URL contain hash (#) or fragment component or not in JavaScript.

Let's take a look at the following example to understand how it basically works:

<script>
if(window.location.hash){
    alert("Fragment component exists");
} else{
    alert("Fragment component doesn't exist");
}
</script>

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• How to encode URL in JavaScript