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[英]How can I check the content of number of divs with the same ID, and add a class to those that contain a certain piece of text?
[英]ReactJs, How can I add class name to Map of same divs
這是我的代碼,我試圖在單擊時將 class 添加到單擊的 div,但我有超過 1 個 div 具有相同的類名,因此當我單擊任何 div 時,切換開關 class 添加到所有 div,而不是我單擊的那個 div我想知道如何指定要向其添加切換 class 的 div
代碼:
const [isActive, setActive] = useState(false);
const toggleClass = () => {
setActive(!isActive)
console.log('sad')
}
return (
<div className="command_wrapper">
<div className="command_list">
{
Commands.map((item, index) => {
return (
<div className="command" >
<div className="command_face" onClick={toggleClass}>
<h1>{item.Command}</h1>
<p>{item.Description}</p>
</div>
<div className={isActive ? "command_body" : "disapper"}>
<div className="command_usage">
<h1>Usage</h1>
<p>{item.Usage}</p>
</div>
<div className="command_required">
<h1>Required Permissions</h1>
<p>{item.premissions}</p>
</div>
</div>
</div>
)
})
}
</div>
</div>
```
您可以在 toggle function 中傳遞該項目,並驗證傳遞的項目是否已激活或僅保存單擊的項目。
const [itemActive, setItemActive] = useState();
const toggleClass = (item) => {
setItemActive(item)
}
return (
<div className="command_wrapper">
<div className="command_list">
{
Commands.map((item, index) => {
return (
<div className="command" >
<div className="command_face" onClick={() => toggleClass(item)}>
<h1>{item.Command}</h1>
<p>{item.Description}</p>
</div>
<div className={item === itemActive ? "command_body" : "disapper"}>
<div className="command_usage">
<h1>Usage</h1>
<p>{item.Usage}</p>
</div>
<div className="command_required">
<h1>Required Permissions</h1>
<p>{item.premissions}</p>
</div>
</div>
</div>
)
})
}
</div>
</div>
```
如果項目有任何獨特的屬性,您可以立即保存,例如 ID 或名稱。 我認為它會更好。
/*const [isActive, setActive] = useState(false);
const toggleClass = () => {
setActive(!isActive)
console.log('sad')
}*/
function handleClick(el){
//toggle the class which indicates selection ex. 'active'
el.classList.toggle('active');
//other stuff todo
}
return (
<div className="command_wrapper">
<div className="command_list">
{
Commands.map((item, index) => {
return (
<div className="command" >
//destruct event objet{event.target}
<div onClick={({target})=>handleClick(target)}>
<h1>{item.Command}</h1>
<p>{item.Description}</p>
</div>
....
...
</div>
)
})
}
</div>
</div>
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