Example <!DOCTYPE html> <html> <body> <h2>JavaScript Statements</h2> <p>A <b>JavaScript program</b> is a list of <b>statements</b> to be executed by a computer.</p> <p id=”demo”></p> <script> let x, y, z; // Statement 1 x = 5; // Statement 2 y = 6; // Statement 3 z = x + y; … Read More »
JavaScript Display Possibilities JavaScript can “display” data in different ways: Writing into an HTML element, using innerHTML. Writing into the HTML output using document.write(). Writing into an alert box, using window.alert(). Writing into the browser console, using console.log(). Using innerHTML To access an HTML element, JavaScript can use the document.getElementById(id) method. The id attribute defines the HTML element. The innerHTML property defines the HTML content:… Read More »
The <script> Tag In HTML, JavaScript code is inserted between <script> and </script> tags. Example <!DOCTYPE html> <html> <body> <h2>JavaScript in Body</h2> <p id=”demo”></p> <script> document.getElementById(“demo”).innerHTML = “My First JavaScript”; </script> </body> </html> Result: JavaScript in Body My First JavaScript Old JavaScript examples may use a type attribute: <script type=”text/javascript”>.The type attribute is not required. JavaScript is the default… Read More »
JavaScript is the world’s most popular programming language. JavaScript is the programming language of the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. JavaScript Can Change HTML Content One of many JavaScript HTML methods is getElementById(). The example below “finds” an HTML element (with id=”demo”), and changes the… Read More »