#jsnotes risultati di ricerca
#jsnotes #chaiaurcode JS Execution Global execution context Functional execution context
#jsnotes Array.isArray() Array.from() creates new shallow copy Array.of() creates new array from different arguments
#jsnotes In Array Splice manipulates the original array Slice doesn't change the original array
Arrow function inherits the this keyword from parent scope #jsnotes
Functions are block scoped in strict mode 'use strict '; #jsnotes
JS Notes: The eval() function in JS is used for evaluating the string as a expressions. Like x = 10; So console.log( eval('x + 10'); Output will be 20. #JS , #JSNotes , #Notes , #JavaScriptNews , #javascript , #ES6 , #JsFunctions , #Coders , #developers , #npm , #cli , #Dev
Here comes another Logical Operator 👉 Nullish coalescing operator (ES2020) #ES2020 #jsnotes #shortnotes #devnotes
#100DaysOfCode Day-5 #JSnotes Just found out we can target an input kinda thing in a class by const XXX = document.querySelector(“.class input”); It is a shock to me as I google the way for hours haha. Wish it could save you time too. #CodeNewbie #javascript
#100DaysOfCode Day-5 5:25am #CodeNewbie #JSnotes Just woke up and found a good website for Learning map function ~ codeburst.io/learn-understa…
#JSnotes #ES6 Constructor of a class is special that it initialized an instance to a valid state, and it will be called automatically so we can’t forget to initialize our objects. No need to code “this._XXX= XXX “anymore Code clean ;)
#JSnotes #100DaysOfCode Day-2 | this | has a small change and it is now represented the context not global.
#JSnotes #100DaysOfCode I like the new style of function in ES6, it makes code clean and easy to use, especially no need to retype "function" repeatedly. LOVE JavaScript.
#JSnotes #ES6 const cat = "John" ; cat = "Sam ; // TypeError bcuz const cant be changed const cat = { name : "John" } ; cat.name = "Sam" ; // name will be changed to 'Sam' var -> const + let use them to have a cleaner code!
#JSnotes #ES6 for ( let i = 1 ; i < 5 ; i++ ) { console.log( i ) ; } using let will limit the scope of variable to the block, which means the system will return " i is not defined " outside the for loop. Not like ES5, the var could still be accessed outside the scope.
Data Types in JavaScript: String, Number, Boolean, Null, Undefined, BigInt, Objects, Symbols #JSNotes
1/2 Summer of 1995 I worked for Rochford Council. Cleared dog shit up off of fields. #jsnotes #jobsofawriter
#JSnotes #100DaysOfCode Day-2 | this | has a small change and it is now represented the context not global.
Here comes another Logical Operator 👉 Nullish coalescing operator (ES2020) #ES2020 #jsnotes #shortnotes #devnotes
#JSnotes #100DaysOfCode I like the new style of function in ES6, it makes code clean and easy to use, especially no need to retype "function" repeatedly. LOVE JavaScript.
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