The isPure function checks if a single function in the given code is pure. It returns true if the function is pure, and false otherwise. Input: A string containing a single JavaScript function. Output ...

A client has reported an issue where the function key in the formatter property for the agSparklineCellRenderer is not being recognized as a JavaScript function in enterprise sparklines. Instead, it ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential part ...

During his keynote presentation at OSCON last year, Ubuntu founder Mark Shuttleworth described application extensibility as an important enabler of innovation and user empowerment. Citing the Firefox ...

Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js. There are ...

A critical security vulnerability in the popular JavaScript library expr-eval allows remote code execution. The bug, with a ...