syntax - What's the meaning of "=>" (a fat arrow formed from equal …
Jun 20, 2017 · In javascript the => is the symbol of an arrow function expression. A arrow function expression does not have its own this binding and therefore cannot be used as a constructor …
javascript - arrow function syntax (=>)' is only available in ES6 (use ...
arrow function syntax (=>)' is only available in ES6 (use 'esversion: 6') Asked 8 years, 10 months ago Modified 5 years, 6 months ago Viewed 43k times
javascript - Syntax for an async arrow function - Stack Overflow
The OP appears to be looking for a named, async, arrow function which is the one syntax you do not show.
javascript - Are 'Arrow Functions' and 'Functions' equivalent ...
Arrow functions don't have their own this or arguments binding. Instead, those identifiers are resolved in the lexical scope like any other variable. That means that inside an arrow function, this and …
javascript - Arrow function "expression expected" syntax error - Stack ...
May 26, 2017 · And don't forget to hit Apply! Annoying, pointless, purposeless errors like this (why does WebStorm use ECMAScript 5.1 as the default when 6.0 exists and its syntax is so commonplace??) …
javascript - Reactjs setState arrow function syntax - Stack Overflow
Dec 28, 2017 · As per the React Docs we can have two ways for setState one with object syntax and other with function which they have shown as below this.setState((prevState, props) => ({ counter: …
When should I use arrow functions in ECMAScript 6?
Apr 8, 2014 · Arrow function syntax is delicate and ambiguous Therefore, arrow functions create opportunities for confusion and errors, and should be excluded from a JavaScript programmer's …
Why doesn't this arrow function work in IE 11? - Stack Overflow
22 Avoid use of arrow functions if you need to support IE 11 as it is not supported Change those to regular functions and your code should work as you expect
javascript - ES6 arrow functions and array.map - Stack Overflow
Feb 8, 2018 · ES6 arrow functions and array.map [duplicate] Asked 7 years, 11 months ago Modified 3 years, 11 months ago Viewed 86k times
What is the correct arrow function syntax? - Stack Overflow
May 15, 2018 · Curly brackets are needed if the function have more than one line or if it have no return. As you can see, all of this are valid syntax for arrow functions, none of them is faster than the other, …