In JavaScript, regular expressions are also objects. The Prototype design pattern relies on the JavaScript prototypical inheritance. In this example, Jane’s scores for mid and final terms should not be modifiable for any reason. A module pattern in JavaScript is absolutely useful and powerful. 2. If that pattern is found in the string, it is replaced with a specified value. With other design patterns, this isn't always the case. Print Star Pattern in JavaScript Using JavaScript we can easily write any programming code, Here we write one of the most popular program Print Star Pattern in JavaScript. But you could understand this much better if you know the execution context in JavaScript. JavaScript is a prototype-based scripting language (originally called LiveScript) with a syntax loosely based on C, developed by Netscape Communications, for use with the Navigator browser. of rows in a pattern"); for(var i=1;i<=n;i++) { for(var j=1;j<=i;j++) { document.write("0"+j+" "); } document.write("
"); }
