If it finds a problem, it highlights the problem area for you. JSLint takes a JavaScript code file or JSON data, and scans it. JSLint is a static code analysis tool used in software development for checking whether JavaScript source code complies with coding rules. Use design patterns, or frameworks, that encourage MVC, such as AngularJS.Use tools, such as JSLint, along with good coding practices.In this article, I share three cardinal rules of working on any JavaScript project. Nothing prevents someone from creating a JavaScript code snippet using string concatenation, and then run it on the fly, which is incredibly unmaintainable code. As a result, unlike other languages, JavaScript lends itself to abuse. Yes, I know that these days we write enterprise class applications in JavaScript that have nothing to do with HTML, but the Web is where the roots of JavaScript are. Historically, JavaScript has been intertwined with HTML. Certainly, a good programming language helps, but it's not a replacement for good development habits. json files as well.In my last two CODE Magazine articles, I outlined numerous interesting challenges that we deal with when writing JavaScript, and how TypeScript solves most of them.

Select the JSON checkbox in the Validate also area to verify. Specify the maximum number of problems to report maxerr, the maximum line length maxlen, and the predefined global variables by names or through object keys predef. In the Assume area, specify the targeted environment to check the code for. Learn more about JSLint options from the JSLint official website. To skip problems of a certain type, select the checkbox next to this type. By default, the tool reports detected problems of all types. In the Tolerate area, specify the types of problems you do not want JSLint to report. After that the other controls on the page become available. In the Settings/Preferences dialog Ctrl+Alt+S, go to Languages and Frameworks | JavaScript | Code Quality Tools | JSLint, and select the Enable checkbox. To enable JSLint and configure its behavior in IntelliJ IDEA Note that JSLint does not fully support the latest ECMAScript features. IntelliJ IDEA lets you verify your JavaScript code using the built-in JSLint tool.

Jslint