The "=>" symbol is used in JavaScript to define arrow functions. An arrow function is a shorthand for writing anonymous functions (functions without a name) in JavaScript. Arrow functions provide a more concise syntax compared to regular function expressions and do not have their own "this", ...
What does a question mark mean in a URL?What does a question mark in a box mean in computer science?What do we mean when we say Javascript is 'loosely typed'?What is JavaScript?What can JavaScript be used for?What does a in HTML mean?(a) Explain JavaScript. (b) Give an example of...
an exception. For example, NaN is a non-writable global variable. In normal code assigning to NaN does nothing; the developer receives no failure feedback. In strict mode assigning to NaN throws an exception. Any assignment that silently fails in normal code (assignment to a non-writable ...
In JavaScript, null is a primitive value that represents the intentional absence of any object value. It's often used to indicate that a variable or property intentionally holds no value or that an object reference points to nothing. null is a distinct value from undefined and has its own ...
JavaScript void is often used when, inserting an expression into a web page may produce an unwanted side-effect.By using JavaScript:Void(0), you can eliminate the unwanted side-effect, because it will return the undefined primative value....
Use javascript: void(0) Example In this example, we have set javascript: void(0) to the href and added a double-click event to the anchor tag. Only when the user doubles clicks on the tag, does the alert trigger. Here page does not refresh because we have set javascript: void(0)....
“Nothing” in programming is returned when there is no result to return. What does “javascript:void(0)” mean? What is the use of void 0? What does “javascript:void(0)” mean? The undefined value is returned when evaluating an expression with the void operator. Generally, this ...
What does it mean? This principle says about the interface, but as we know, we don't have interfaces in Javascript. But, in Javascript we have something similar to them, it's classes. Of course, it's not the same, but this principle could be applied to JS classes. So, if we spe...
Two ways to define an array type Type assertion in ts Generic functions and generic interfaces How to understand as const? What does declare global mean? How to add a global variable to the TypeScript environment? Can interface be inherited?
jQuery( document ).ready( function ( e ) { // Open outbound links in a new window. jQuery(document.links) .filter(function() { return this.hostname != window.location.hostname; }) .attr('target', '_blank'); }); The Event Loop JavaScript relies on an event loop which listens fo...