javascript - new Promise(() => {}), if resolve or reject is not called, is it always in the pending state?

new Promise(() => {}), if resolve or reject is not called, is it always in the pending state? {Code...} can...

From [JavaScriptdiscussion group] 2017-07-05 10:53:39 0  1  822

javascript - Is Vue's dependency tracking one-way data binding or two-way binding?

As mentioned in the official website documentation, Vue’s v-model directive implements two-way binding of data...

From [JavaScriptdiscussion group] 2017-07-05 10:53:36 0  1  869

javascript - The project created by vue-cli has fewer steps. Will it have any impact on the project?

The environment and tools that need to be prepared have been installed. Enter the designated directory d:mypro...

From [JavaScriptdiscussion group] 2017-07-05 10:53:33 0  4  908

javascript - How to interpret the third parameter args of jQuery each method?

When I was free, I looked at the jq source code and found that each method, map method, and makeArray all stat...

From [JavaScriptdiscussion group] 2017-07-05 10:53:30 0  1  1180

javascript - How to get the number of the parent element of a future element among all the same elements on the page?

The entire code is dynamically added to the page through js. When b changes, how to get the position (position...

From [JavaScriptdiscussion group] 2017-07-05 10:53:27 0  3  872

javascript - One is an array and the other is an object. How to compare and remove duplicates?

{Code...} How do you compare arr and obj? After finding that id2 is repeated, remove the array object id:2 of ...

From [JavaScriptdiscussion group] 2017-07-05 10:53:25 0  4  897

javascript - Mobile adaptive

Now I am working on the company's mobile official website. I use the rem layout. The psd is 750 and is made ac...

From [JavaScriptdiscussion group] 2017-07-05 10:53:23 0  7  1141

javascript - Explain this function definition

Generally define functions {code...} or {code...} So how is the following explained? {code...}

From [JavaScriptdiscussion group] 2017-07-05 10:53:20 0  5  1021

javascript - What does setIndex do?

{code...} {code...} {code...}

From [JavaScriptdiscussion group] 2017-07-05 10:53:15 0  1  755

javascript - Problem of deleting TABLE in DOM using JS

Below is the HTML of the page. I want to use JS to operate the DOM and delete the first table from the page. T...

From [JavaScriptdiscussion group] 2017-07-05 10:53:13 0  2  1099

javascript - The output value of es6 module loading export is a bit unclear

Why does this give an error? Why is this OK? What is the function of those curly brackets? Is this the syntax?

From [JavaScriptdiscussion group] 2017-07-05 10:53:10 0  3  886

javascript - Regarding the use of empty strings.

(www.sf.gg) is China's leading developer technology community. We hope to provide a pure, high-quality technic...

From [JavaScriptdiscussion group] 2017-07-05 10:53:08 0  4  879

javascript - swiper carousel chart uses left and right layouts with inconsistent heights

When using swiper, there are two layouts on the left and right, which can be slid left and right, but the layo...

From [JavaScriptdiscussion group] 2017-07-05 10:53:06 0  1  1150

javascript - I see some experts writing code that use "$" and "_" alone to represent variables. When should these two characters be used alone?

I see some experts writing code that use "$" and "_" alone to represent variables. When sh...

From [JavaScriptdiscussion group] 2017-07-05 10:53:02 0  9  1135

javascript - How to optimize multiple ajax requests

There are five or six ajax requests on the front-end page. When I open that page, it gets stuck. How to solve ...

From [JavaScriptdiscussion group] 2017-07-05 10:52:53 0  6  1138