the desired effect is as follows: d3stacked bar chart: the color of the two different columns is the same. The code can see here . The question is, how can I create the kind of bar chart that I want, each column has a different color ? Thank you...
after I successfully logged in to the login page, I put the user information into sessionstorage, and then jumped to the user page, where the components obtained the data in sessionstorage and rendered it, but found that the data was not rendered the fi...
For the page, see https: im.qq.com download . for example, the an in the upper left corner (the initial width is 36px when you zoom 67% in the home), Chrome browser, and then it starts to widen to 96px under 25%, but the width does not change when ...
the problem is that the LVB on the mobile side of the project has a function to enable and disable LVB, but it is found that in QQ Browser, an open video cannot be deleted. The code is as follows $( -sharpwechat-autoplay ).attr( style , display:n...
how do I get some attributes of the selected option in the select element when submitting with the form form? for example, foodsid foodsenname foodscnname in the following code, wait for the attribute <select name="foods" id="foods&q...
such as the title, look at the picture ***@mediabootstrap*** ...
projectForm templatepage({}) projectReady ...
I have obtained a json data and want to merge the same ones together. For example, there are two stores in Pudong New area in the picture, and all the stores are shown under the area name. here is my code: import React,{Component} from "react&...
as shown in the picture, it is to see if the pothole in the bathroom is occupied, can the front end of this picture be realized, and do the gods have any ideas? thank you ...
the opening and display on Wechat is abnormal, and the opening of other browsers is normal . < meta name= "viewport " content= "width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no " > <meta name=&quo...
recently the test submitted to me some BUG, content description is "just entered the Wechat H5 page is normal, but when clicking the back button, the style is confused ", his phone and I are Android, then I finished the development, I must be my own ...
there is a usage scenario, a filter page . Users can quickly click on the filter conditions, and immediately request data api, as soon as the filter conditions change, but the API is far abroad, so it can be understood that the request is very time-co...
how do I cancel the mouse movement of the echarts pie chart to enlarge the event? I don t want him to zoom in ...
my front-end project is built directly using vue scaffolding and vue-cli. At present, I only know that you can import a js file into the .vue page through the import xxx.js file, and then I would like to ask how to introduce the outer chain? I trie...
look at the picture " " " " Promise post a copy of the source code: < html lang= "en " > <title>< title> <meta http-equiv="Content-Type" content="text html; charset=utf-8"> <script type="text ...
in jquery $(function(){ }) What are the differences between and self-closing functions? (function(){}( )) ...
the source code of many js plug-ins is as follows: CommonJs if (typeof module !== undefined && module.exports) module.exports = MyPlugin; AMD CMD if (typeof define === function ) define(function() { return MyPlugin; }); what is th...
scenario: fetch tocken token question: fetch async await ...
the following picture circle, I want to add a DIV or SPAN tag that can be edited, rotated, zoomed in and out, and at the same time, such as the icon in the shape of a landmark in the following picture, you can move and edit a point like editing the Bess...
, npm install executes npm run dev after vue-cli creates the project webpack.dev.config.js fs.write() but I don t understand why this error is reported and how to solve it. ...
Why when the routing address is: user 1 and then connects to routerLink= "user 2 ", although the address bar changes, the page does not change. When interrupting, the address is user 2 ngOnInit () and will not enter. <button (click)="fun()&quo...
if the variable defined in this.state is changed, it will be re-render if you don t want it to render just how to change the value, do you need to write it outside the component ?...
take out 11 pieces of data condition limit on the number of (position) in each position the number of (team) in each team cannot exceed 7 the sum of credits is within 100points (inclusive) the highest total score of (points) position lim...
how is it convenient to replace the whole child component of the array passed by the parent component? ...
Hello, everyone. I have a question to ask you. I have a string s: = "ts_flow " and then I want to take the first index. I used to use python, just say python is s [1]. But take it out and it s a number. I want to make the judgment of if s [1] = " " an...