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The try statement defines the code block to run (to try). The catch statement defines a code block to handle any error. The finally statement defines a code block to run regardless of the result. The throw statement defines a custom error.
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let text = ""; let i = 0; while (i < 10) {. text += "<br>The number is " + i; i++; } document.getElementById("demo").innerHTML = text;
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The try statement lets you test a block of code for errors. The catch statement lets you handle the error. The throw statement lets you create custom errors. The finally statement lets you execute code, after try and catch, regardless of the result.
JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. Start to learn JavaScript with this tutorial: https://www.w3schools.com/js/default.asp
