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JavaScript errors-throw, try, and catch

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The try statement tests the code block for errors.

The catch statement handles the error.

The throw statement creates a custom error. (which is the error message that you want to display)

<body>?<p> Please output a5ToTenThe number between the:</p>?<input id="Demo"Type="text"><button type="Button"onclick="myFunction ()"> Test Input </button><p id="message"></p>?<script>function MyFunction () {varmessage, X; Message= document.getElementById ("message"); Message.innerhtml=""; X= document.getElementById ("Demo"). Value; Try {         if(x = ="")Throw "value is null Soyo"; if(IsNaN (x))Throw "not a number ."; X=Number (x); if(X <5)Throw "too small"; if(X >Ten)Throw "too Big"; }    Catch(Err) {message.innerhtml="Error:"+err; }}</script>?</body>

JavaScript errors-throw, try, and catch

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