I want to show a select tag when a checkbox is checked.
In "/register"
route (which is the default route), checkbox should be unchecked by default and in "/register/tradeUser"
, checkbox should be checked by default.
If I use defaultChecked="true"
, the state of checked
will not change to true
.
So I want to know, how can I call setChecked(true)
inside the conditional rendering?
const Register = (match) => {
const [checked, setChecked] = useState(false);
const toggleChecked = () => {
if (checked) {
setChecked(false);
} else {
setChecked(true);
}
};
return (
<form>
<input type="text" name="first-name" placeholder="First Name" />
<input type="text" name="last-name" placeholder="Last Name" />
<input type="email" name="email" placeholder="Email Address" />
<input type="password" name="password" placeholder="Password" />
<input type="password" name="confirm" placeholder="Confirm Password" />
{match.location.pathname === "/register/tradeUser" ? (
<div>
<label>
<input
type="checkbox"
name="profession"
checked={checked}
onChange={() => toggleChecked()}
/>
I am an Architect/Interior designer
</label>
<select
name="info"
placeholder="Select Option to add Architect Info"
className={`${checked ? "" : "hidden"}`}
>
<option value="certi-number">Certificate Number</option>
<option value="certificate">Registration Certificate</option>
</select>
</div>
) : (
<div>
<label>
<input
type="checkbox"
name="profession"
checked={checked}
onChange={() => toggleChecked()}
/>
I am an Architect/Interior designer
</label>
<select
name="info"
placeholder="Select Option to add Architect Info"
className={`${checked ? "" : "hidden"}`}
>
<option value="certi-number">Certificate Number</option>
<option value="certificate">Registration Certificate</option>
</select>
</div>
)}
<button>Register</button>
</form>
<label>
Existing User?
<Link to="/login" className="link">
{" Login "}
</Link>
</label>
</div>
);
};
you can easily run function in jsx like this
export default function App() {
return (
<div className="App">
{console.log(1)}
<h1>Hello CodeSandbox</h1>
<h2>Start editing to see some magic happen!</h2>
</div>
);
}
however you shouldn't set state in jsx because it will loop infinitely
in this case you can use useEffect
useEffect(()=>{
if(match.location.pathname=== "/register/tradeUser"){
setChecked(true)
}else{
setChecked(false)
}
},[match.location.pathname])