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javascript - In IE (9+), the usual style does not take effect. It only takes effect when the element is selected using the developer tools. What is the reason?

It works in both Chrome and Firefox. It only doesn't work in IE, not even the Edge browser. The page when no selection is made. The page where F12 selects this element. The style that should be applied: .interactiveSystem { {code...} }

世界只因有你 2017-05-31 10:39:30

javascript - Why can't jqeury's ID selector with string concatenation be used?

{Code...} In this code, checkeds is an array of ids. The third line is to find elements with the .text-status style in the sibling elements of the parent of the id element and remove the text-green style. But it cannot take effect. The following is the content of the searched parent element td repor...

phpcn_u1582 2017-06-30 09:59:52

javascript - Doubts about js controlling element style

{Code...} As shown in the above code, every one second, the slider_box slides 20% to the left (1 screen), but the problem comes, when it slides to 100%, it can no longer slide to the left (if you slide further, there will be no picture) ), but the effect I saw on some other plug-ins is that every se...

伊谢尔伦 2017-07-05 10:39:55

How to understand controlled elements in react

How to understand controlled elements in react? Use state control? How to understand controlled elements in react? Use state control?

尊渡假赌尊渡假赌尊渡假赌 2023-11-16 14:51:10

Create an error in Vue.js for a component that doesn't exist.

I want to generate an error, instead of a simple warning shown in the console, when we try to use a non-existing component: [Vue warning]: Unable to resolve component: nonexisting-component. If this is a native custom element, make sure to exclude it from component resolution via compiler options.

P粉765570115 2023-08-03 17:43:26

When using the <Tab/> component created by yourself, there is a problem with the "&.Mui-selected" state

I have created a custom <Tab/> and I want to control its selected color by using the following code: Sandbox demo code exportconstTab=styled(MuiTab)({"&.Mui-selected":{color:"red "}}); However, I found: 1. Directly apply the custom style component => the selected col...

P粉775788723 2023-09-20 19:56:31

javascript - Select a tag, add class style to the selected tag, and delete class style to sibling elements

Click a label to add a class style to it and delete the class style of its sibling elements. //Click event, $(".user-menu li a").click(function(){ {code...} }); //Tag, there is an a tag in the li tag, initially only the collected vehicles have it Style,,I don’t know why it can’t be display...

黄舟 2017-06-12 09:20:42

angular.js - How to communicate between angular2 attribute components and control components

1. Drag an existing control from the control library to generate an element and display some attributes of the element. As shown below, how can the rightmost attribute component be changed, and the corresponding attributes of the middle element be changed at the same time? For example: I click on th...

世界只因有你 2017-05-15 17:09:54

Style classes are not applied to elements in VueJS

So I want to apply the class .testcolor to the div when testvalue is true and apply nothing when testvalue is false. When I add the getClass method to :class it doesn't even get called, but does when called from {{getClass}}. I've tried clearing the cache and even rewriting the entire code but still...

P粉465287592 2024-01-16 21:53:49

Does parent selector exist in CSS?

How to select the <li> element that is the direct parent of the anchor element? For example, my CSS might look like this: li<a.active{property:value;} Obviously, it is possible to achieve this using JavaScript, but I was hoping for a workaround native to CSSLevel2. The menu I'm ...

P粉713866425 2023-08-21 10:43:42

javascript - How to implement JS to dynamically modify css global styles

If you want to dynamically modify the css global style in the page, for example, change the color of all fonts on the page to red, you can achieve this through css {code...} And if you use js, use the buttons in the page to modify the styles of all elements, that is, click through js The button dyna...

阿神 2017-05-19 10:11:38

How to get offsetX in react?

1. How to get the offsetX of an element in react? My idea is to get it through this.state.offsetX, but this is indeed null 2. Certain states of a component can be initialized in react, but when I write getInitialState like this, a warning error appears on the console. The prompt is as shown below...

習慣沉默 2017-06-26 10:57:16

Teacher, I have a question, that is display: block,

Teacher, I have a question, that is display: block. I know that its function is to control the display of non-displayed elements, but if it is used for inline elements, such as adding display: block to inline elements such as span, the inline element will Become a fast element, so for this issue’s q...

不乖 2019-03-11 17:33:56

Is there a parent selector in CSS?

How to select the <li> element that is the direct parent of the anchor element? For example, my CSS might look like this: li<a.active{property:value;} Obviously, it is possible to achieve this using JavaScript, but I was hoping for a CSSLevel2-native workaround. The menu I'm try...

P粉270842688 2023-08-21 10:49:24

javascript - Ask: How to delete selected array elements in Vue (when there are multiple selections)?

The data is simulated. When clicking edit, I want to delete the selected elements. That is, if one is selected, one will be deleted. If multiple are selected, multiple will be deleted, so that each element in the array, By default, there is a checked attribute demonstration address html structure {c...

我想大声告诉你 2017-05-19 10:35:09

Is there a CSS parent selector?

How to select an element that is the direct parent of an anchor element? For example, my CSS should look like this: li<a.active{property:value;} Obviously there are ways to achieve this using JavaScript, but I'm hoping there's some kind of workaround for CSSLevel2 itself. The menu I'm trying ...

P粉176980522 2023-08-23 10:53:50

Learn how to effectively use compound selectors in CSS pseudo-class functions: host-context(<selector>)

In the MDN documentation, :host-context() is defined as: :host-context() CSS pseudo-class function selects the shadow host of the shadow DOM containing the CSS it is in (so you can select custom elements from its shadow DOM ) - but only works if the selector given as a function parameter matches the...

P粉268284930 2023-09-16 15:49:33