• JavaScript: bind vs apply and call

    What is the difference between bind(), apply(), and call()? Let's start with a quick summary of .bind(), .apply(), and .call(), with this object:

  • JavaScript: Array-like objects

    What are array-like objects in JavaScript? Have you heard about array-like objects in JavaScript? If no, this is a good post to learn about them. Array-like objects are not a separate object type, th...

  • JavaScript: Use variables in Regular Expressions

    How to use variables in Regular Expression So you know the basics of Regular Expressions in JavaScript and often use it for replacing text etc. Example: var sentence = 'Regular Expression'; sentence....

  • JavaScript: Check if object property is defined

    How to check if a property is defined in an object Probably you know how to check if a variable is defined in JavaScript or not (without crashing your app with a fatal ReferenceError). In case you di...

  • JavaScript: Array slice() with examples

    JavaScript array.slice() explained with examples .slice() is a method on all instances of arrays in JavaScript. It accepts two parameters - start index and end index - both of which are optional, and...

  • JavaScript: apply and call

    What are apply() and call() in JavaScript? apply and call are two of the less encountered and less well understood aspects of JavaScript, primarily because of their unfamiliarity. Why are they unfami...