JAVASCRIPT FOR BEGINNERS: A Complete Beginners Guide To Learn The Fundamentals Of JavaScript, Python, SQL & Java by Mark Whistler
Author:Mark Whistler [Whistler, Mark]
Language: eng
Format: azw3, epub
Published: 2020-10-13T16:00:00+00:00
3.11 Working with Arrays
JavaScript has the ability to work with elements as arrays. This helps programmers to work with a continuous set of elements as shown below.
Example 19: The following program is used to showcase a simple JavaScript program that uses arrays.
<!DOCTYPE html>
<html>
<body>
<h1>Javascript Example</h1>
<p1 id="demo"></p1>
<script>
var val = ["1", "2", "3"];
document.getElementById("demo").innerHTML = val[0];
</script>
</body>
</html>
3.12 Working with Errors
JavaScript also has the ability to work with errors generated in the program by using try, catch blocks. The below example shows a simple program working with try, catch blocks.
Example 20: The following program showcases a simple JavaScript program that uses error handling.
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
try {
funcA("Hello World");
}
catch(err) {
document.getElementById("demo").innerHTML = err.message;
}
</script>
</body>
</html>
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