What does 2 exclamation marks mean in JavaScript?
In JavaScript, the double exclamation operator converts an Object to Boolean. This happens such that “falsy” objects become false and “truthy” objects become true.
What does double mean in JavaScript?
twice. It’s a way of casting a “truthy” or “falsy” value to true or false , respectively. Given a boolean, ! will negate the value, i.e. ! true yields false and vice versa. Given something other than a boolean, the value will first be converted to a boolean and then negated.
What is double question mark in TypeScript?
Double question marks(??) or nullish coalescing operator helps us to assign default values to null or undefined variables in Angular and Typescript. It’s often called as Null coalescing operator. It’s introduced as part of Typescript 3.7 version.
What is exclamation mark in TypeScript?
non-null assertion
The exclamation mark (non-null assertion) operator removes null and undefined from the type of an expression. It is used when we we know that a variable that TypeScript thinks could be null or undefined actually isn’t.
What does exclamation mean in JS?
In Javascript, the exclamation mark (“!”) symbol, called a “bang,” is the logical “not” operator. Placed in front of a boolean value it will reverse the value, returning the opposite. ! true; // Returns false.
What does 2 question marks mean in a text?
If double question marks are uses it is to emphasise something in return, usually from the shock of the previous thing said. For example, if I said: ‘My dog just died’ (sad, but used for example…) Someone may reply. ‘Really??’
What does != Mean in TypeScript?
!= operator checks the un equality of two operands. It is similar to == except it returns true if operands are not equal. !== operator is similar to === except it returns true if operands are not equal. Not Equal Operators in Typescript.
What is ‘!’ In TypeScript?
What is the TypeScript exclamation mark? The non-null assertion operator tells the TypeScript compiler that a value typed as optional cannot be null or undefined . For example, if we define a variable as possibly a string or undefined, the !
What does?: Mean in TypeScript?
property is optional
What does?: mean in TypeScript? Using a question mark followed by a colon (?: ) means a property is optional. That said, a property can either have a value based on the type defined or its value can be undefined .
What does (!) Mean in texting?
An exclamation point is a form of punctuation that is used to add emphasis or express strong emotion (especially excitement). The role of the exclamation point does not change based on the given medium (it has the same effect in a book as it does in a text message).
What does 3 mean from a girl?
means she loves you. For many girls, sending a <3 is a way of saying, “I like you as more than a friend.” Maybe she’s crushing on you and finally has the courage to say how she feels, or she’s your girlfriend sending a quick “I love you” text.
What does != Mean in JavaScript?
not equal
The inequality operator ( != ) checks whether its two operands are not equal, returning a Boolean result. Unlike the strict inequality operator, it attempts to convert and compare operands that are of different types.
What is exclamation mark TypeScript?
What means exclamation mark in TypeScript?
The exclamation mark (non-null assertion) operator removes null and undefined from the type of an expression. It is used when we we know that a variable that TypeScript thinks could be null or undefined actually isn’t.
What does 🤧 mean in texting?
2. A 🤧 represents all things that make you sneeze. Whether it’s allergies or a little too much pepper on your breakfast, this emoji conveys a moment of achoo! If someone uses a 🤧, they may have just sneezed.
What does a 💜 mean from a girl?
Like the many other heart emoji such as Red Heart ❤️ and Blue Heart 💙, the Purple Heart emoji 💜 is generally used to convey love and other strong, affectionate, positive feelings.
What does 💚 mean from a girl?
This colored heart emoji is a tamer version of the classic ❤️. You’ll often see a 💚 used when expressing a platonic love for a friend or acquaintance. Try adding this green heart to a heart-warming message to tell a friend, “I care about you.” “You’re the bestest friend a girl could ask for 💚” “Just take deep breaths.
Is != Same as =!?
The != operator is an equality operator that is used to check whether two operands are equal or not. The =! operator is a combination of two operators, one is an assignment, and the second is a negation operator that works on boolean value.
What is != and !== In JavaScript?
!= checks the value. !== checks the value and type.
What does double exclamation mean in text?
This punctation emoji of a double exclamation mark features two big red exclamation points that can be used to express surprise, shock, or to really emphasize or drive home a point.
What does 🌶 mean from a girl?
🌶️ — Indicates “spiciness,” i.e., inappropriate or risque content.
What does 😩 mean from a girl?
The weary face emoji, 😩, cries out: “I can’t handle this!” It marks content dealing with a very wide range of overwhelmed feelings, from genuine exhaustion to ironic self-pity to being overjoyed.
What does 💜 stand for?
What does 💜 Purple Heart emoji mean? The Purple Heart emoji 💜 depicts a classic representation of a heart, colored purple. It is commonly used to represent love, support, close bonds, and admiration for things that have some relation to the color purple.
What does 💟 mean from a girl?
Who uses 💟 Heart Decoration emoji? The Heart Decoration emoji 💟 is used very generally to refer to love, romance, affection, and other such positive emotions. It is often used alongside other heart emoji, such as Red Heart emoji ❤️, Purple Heart emoji 💜, or the Beating Heart emoji 💓.
What does 🐸 mean from a girl?
In several versions of the 🐸 emoji (like Apple, Samsung, and Google), the frog looks like it’s making a big, goofy grin. Many emoji enthusiasts use this smiling frog to represent a happy, mischievous moment of their own.