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javascript - How to get the original type of a file after changing its suffix

When using Qiniu to upload images in js, if you change the suffix of other format files to image format, how t...

From [JavaScriptdiscussion group] 2017-07-05 10:43:28 0  2  983

javascript - js writes a regular expression to extract data from text

I have a text like this: {code...} Use js to write a regular expression to extract part of the src value of al...

From [JavaScriptdiscussion group] 2017-07-05 10:43:25 0  2  900

javascript - Question about v-for loop in vuejs

How do I use vue.js to traverse an object using a for in method? I want to get a certain field name and value ...

From [JavaScriptdiscussion group] 2017-07-05 10:43:22 0  6  975

javascript - quill editor input text appears first letter. . .

(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 10:43:20 0  1  1065

javascript - [WDS] Disconnected! keeps appearing repeatedly.

The subject has recently come into contact with webpack. Today, I tried to configure the HMR of webpack. The [...

From [JavaScriptdiscussion group] 2017-07-05 10:43:17 0  2  2225

javascript - vueclick event reports an error when clicked

The following is the error code and the code I wrote. Please help me to see if there is any problem with the c...

From [JavaScriptdiscussion group] 2017-07-05 10:43:14 0  1  833

javascript - js regular verification: up to 12 characters, only Chinese, English upper and lower case, numbers, basic symbols

js regular verification: up to 12 characters, only Chinese, English upper and lower case, numbers, basic symbo...

From [JavaScriptdiscussion group] 2017-07-05 10:43:12 0  1  1127

javascript - webpack parallel (concurrent) packaging problem

A loop webpack packages a project to different locations at the same time {code...} num = 1 {code...} num = 2 ...

From [JavaScriptdiscussion group] 2017-07-05 10:43:10 0  1  882

javascript - ~~(0+Math.random()*51) What is the difference between adding zero and not?

I tested and found no difference {code...}

From [JavaScriptdiscussion group] 2017-07-05 10:43:08 0  2  1028

How to update dom element selected by jquery?

For example, there was <div class="ape">Element 1</div> at the beginning...

From [JavaScriptdiscussion group] 2017-07-05 10:43:06 0  3  920

Javascript compares strings of different encodings

How to compare two strings with different encodings in javascript {code...} Output {code...} The encodings are...

From [JavaScriptdiscussion group] 2017-07-05 10:43:04 0  3  978

javascript - Question about clearing Chrome cache

{code...}

From [JavaScriptdiscussion group] 2017-07-05 10:43:02 0  3  948

javascript - Can the WeChat back button be monitored? Can the page be refreshed after going back?

A->B;B has changed. If you return to page A, it will definitely be history. Can it be refreshed? The da...

From [JavaScriptdiscussion group] 2017-07-05 10:42:59 0  1  904

javascript - Why can't vue global components and vue instances be separated into different files?

global.js file: {code...} login.js {code...} index.html {code...} The result is an error: [Vue warn]: Unknown ...

From [JavaScriptdiscussion group] 2017-07-05 10:42:57 0  2  1246

javascript - Click on one li to display the content of the div inside, click on the next li to display the content of the div inside the next li, and hide the content displayed on the previous li. How to write js code?

{code...}

From [JavaScriptdiscussion group] 2017-07-05 10:42:55 0  1  1192