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Why can vue-router not be put into production environment?
shouldn t vue use vue-router? Why can it only be put into devDependencies (development dependency)? ...
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Jquery plug-in css layout problem
when the first picture is normal, then click on the left column to put away the rotation picture can not immediately adapt to the screen to appear a blank
the strangest thing is that as soon as I press F12 to view the elements, it can be self-adap...
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On the trigger of onChange event in react input box
recently encountered some problems in the process of learning react.js. Go to the code diagram first:
inputonChangestate,stateinputvalue. consolestateinputvalue,...
state,,,.
this picture, which obtains the real-time value, fetched by input directl...
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How do I replace the entire div content?
an evaluation page, I want to click the submit button and replace the entire page content with a check mark animation, and then add a back button, how to replace all the content in the entire div? Ask for the answer of the Great God ...
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With Column layouts, how do you force a DIV to appear in a new column instead of following the previous DIV?
as mentioned above, we need to use column to achieve the effect of column-by-column reading. A problem has been found that writing like this (omitting CSS), will cause DIV2 to follow DIV1. We hope that, as shown in the figure, after the end of DIV1, a ...
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How to introduce js? into vue globally
common.js will have many functions that I define myself, such as:
export function a(){
}
export function b(){
}
export function c(){
}
I will quote him in ad.vue:
import {a} from @ assets js common.js
I will quote him in r...
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The full screen button customized by video.js does not work?
video.js custom full screen button, you can see your own button after full screen, but when you click it, it triggers a pause? How to solve this? have you ever used it? ...
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How to make the mouse hover over the button to display the layer, when the mouse is over the button or layer, the layer does not disappear, if you leave both, it will disappear?
just like the "message ", "dynamic " and other buttons at the top of bilibili, a pull-down suspension layer appears when you hover over it. As long as the mouse is still on the button, or on the layer, the layer will not disappear, without both will di...
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How to dynamically control the full folding and expansion of the tree by element-ui
1. Click the button to expand all, and then el-tree will expand all 2. Click the button to collapse all, and then el-tree collapses all 3. Use: default-expand-all= "isExpand ", dynamically change the value of isExpand, the value changes, but the tree...
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A question about jquery validate
The form form has two buttons, one to confirm and one to return. I just need to click OK to verify instead of both. I would like to ask how to execute my return event instead of triggering validation when I click back. No, no, no. ...
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Js click method how to change the click object dynamically
ideas:
A group of a tags that can be clicked only if they are clicked in order, and cannot be clicked otherwise. Click in the order from top to bottom. If you don t click on the A tag in the order, you can t click on it. You click on the LI tag, an...
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How to get the video playback time when vlc is embedded in the front-end web page?
vlc is embedded in the front-end web page, how to get the video playback time? uses 2.2.2 vlc.video and vlc.playlist are both empty objects. I don t know how to get the airtime. Depressed ...
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Html prompt message display is incomplete
send a request to the background during development. After a successful return, the page is refreshed and the pop-up prompt is successful. The pop-up window often shows only one line and it ends.
at first
initPage();
showInfo( ...
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Vue uses components not to render only when the code has changed
this component is a chart
<script>
import { Line } from vue-chartjs ;
export default {
extends: Line,
mounted () {
this.renderChart({
labels: [ January , February , March , April , May , June , J...
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The echarts.js chart is displayed from right to left
used the echarts tool to draw a chart now the demand is that the X axis from right to left, the Y axis remains on the left, the line of the chart is also displayed from right to left, the document does not teach how to change the direction of the X axi...
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How does css display an ellipsis on the second line (compatible with Firefox / IE)
write another vue project. Generally, the multi-line display uses the following
text-overflow: ellipsis;
word-break: break-all;
display: -webkit-box;
-webkit-line-clamp: 2; **
-webkit-box-orient: vertical;
but this is not compatible with Fire...
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How does the front end draw a rectangle on the uploaded picture according to the coordinates given by the back end?
as shown in the picture, the picture I uploaded on the left is displayed in the div above. The back end recognizes the coordinates of the text on the right, and the front end identifies the text in the position box (red box) on the left picture according...
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How can I listen to the intermediate element p of div > p > a by using event delegation?
I have looked for it in hundreds of degrees before, and it is basically a two-tier div > p, but now I have more than two layers of demand. I have thought about finding the parent element of ev.target, but if the nesting is a little deeper, it will be ver...
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After the element ui component is uploaded successfully, there is an extra one of its own. Why is that?
because the style of the element ui component does not meet our requirements, I wrote an uploaded list myself
`
`FileList
...
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How to locate the id in iframe through the anchor point
vue embeds an iframe, navigation bar outside the iframe, how to locate the id inside the iframe ...
