When should you use return statement in ES6 arrow functions?

The new ES6 arrow functions say that in some cases, the return is implicit: the expression is also the implicit return value of the function. In what situations do I need to use return in ES6 arrow functions?

P粉771233336 2023-08-22 13:20:02 0  2  625

javascript - Can arrow functions get event parameters when listening to events?

Can the arrow function get the event parameter when listening for an event?

世界只因有你 2017-05-19 10:14:46 0  7  694

Compilation error: Arrow functions must be exported as module default before assigning them to variables

The following error occurred while compiling: A warning occurred while compiling. The first character in line 4 of src/Task.js: assign the arrow function to a variable and then export it as the module default value import/no-anonymous-default-exportsrc/TaskList.js The first character in line 4: assi...

P粉760675452 2023-08-30 13:05:14 0  1  522

javascript - Problem with click event listening arrow function in React?

Overview I just learned the front-end not long ago, and I have some questions about the writing method of event monitoring in React. The writing methods I know are: When defining the function through the bind function in the constructor, use the shear function to define {code...} Use the shear funct...

滿天的星座 2017-05-19 10:31:08 0  3  1002

laravel - When writing vuejs, the arrow function of es6 is used. Can the browser chrome 53 run it directly?

Using laravel 5.3, when writing vuejs, the arrow function of es6 is used. Can the browser chrome 53 run it directly? If not, how can I do it?

我想大声告诉你 2017-05-16 16:51:10 0  3  581

There is an arrow after the python function name. What does this do?

{Code...} I found such a statement when I was looking at other people's programs. I checked many places but couldn't find any explanation about "->". I found arrow functions that are relatively similar, but they look different. What symbol is this? Or where should I check?

大家讲道理 2017-05-18 11:00:48 0  6  983

javascript - Doesn't the simplest form of arrow function return an object? map(i => { name: i})

If the arrow function does not use curly braces {}, it is equivalent to directly returning {code...}. But if I want to return an object, I cannot use the simplest form? {code...} must be enclosed in curly braces {code...}

黄舟 2017-06-14 10:53:09 0  2  1120

Custom drop-down arrow

Is it possible to change the select tag's dropdown arrow to a custom arrow consisting of 4 elements. I want it to look like this: 3 horizontal lines on the left and a downward arrow on the right I successfully achieved this effect with one element (a horizontal line).select-wrapper::before{content:&...

P粉986937457 2023-08-17 17:52:04 0  1  501

Read more button with arrow

I'm trying to make a "Read More" button with a right arrow as shown. The background color is white and the entire button must look like this. I'm using the following code. The arrow here is white, so in my project I can only see the "View Profile" button but not the arrow due to ...

P粉616111038 2023-09-09 12:16:11 0  1  604

After constant replacement, the drop-down arrow on the left sidebar cannot appear. There is no problem in introducing JS and CSS.

After constant replacement, the drop-down arrow on the left sidebar cannot appear. There is no problem in introducing JS and CSS. Can anyone give me some guidance on what's going on?

浮尘 2017-12-26 17:00:53 0  3  1529

Array.find+arrow function - Stack Overflow

Yesterday I saw a piece of code, like this: {code...} After using the short method: {code...} I checked the arr.find method, the definition is array.find(function(currentValue, index, arr) ,thisValue) The above code passes pet in pet=pets.find() without parameters,...

我想大声告诉你 2017-06-26 10:54:10 0  2  919

javascript - How do data in vue data access each other?

How can the value pointed by the arrow below be obtained from inside the function pointed by the arrow above?

PHP中文网 2017-06-26 10:58:09 0  3  1041

es6 arrow functions and this

{code...} **Excuse me: {code...}

迷茫 2017-07-05 10:37:12 0  2  713

Swiper tutorial: How to control moving arrows?

This is my carousel, but when I want to configure the swiper-button, the arrows are far away from the image, is there a way to make them closer (modify their position)? effect={'coverflow'}grabCursor={false}centeredSlides={true}slidesPerView={'3'}rewind={true}coverflowEffect={{rotate:0,stretch:0,dep...

P粉396248578 2023-08-16 14:46:49 0  1  634

How can a function within a function call a variable of the parent function?

var_dump(function_exists('b')); // false function a(){     $var = 123;     function b(){      &nb

喵~ 2022-12-05 19:48:12 0  0  600

function function function

The teacher told me where to find the functions provided by WeChat?

小李飞刀 2018-05-14 21:27:13 0  2  1150

Calling a function without using print(function()) format? ?

Calling a function without using print(function()) format? ? Can direct functions (parameters) be used?

力 2020-07-23 00:07:01 0  1  1281

javascript - Questions about function closures and passing functions as parameters

1. Description: I want to get a function array result. First, the func function adds an anonymous function to the array result (each anonymous function saves its own num). But I pass in the anonymous function after return with parameters, which is equivalent to just It's just a replacement, why are ...

世界只因有你 2017-06-26 10:50:31 0  3  793