In this article we will learn about some of the frequently asked HTML programming questions in technical like “html select” Code Answer’s. When creating scripts and web applications, error handling is an important part. If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. Error or stack handling on html was simple and easy. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in HTML. Below are some solution about “html select” Code Answer’s.
html form select
xxxxxxxxxx
1
<!-- O segundo valor estará selecionado inicialmente -->
2
<select name="select">
3
<option value="valor1">Valor 1</option>
4
<option value="valor2" selected>Valor 2</option>
5
<option value="valor3">Valor 3</option>
6
</select>
html select list
xxxxxxxxxx
1
<label for="cars">Choose a car:</label>
2
3
<select id="cars">
4
<option value="volvo">Volvo</option>
5
<option value="saab">Saab</option>
6
<option value="mercedes">Mercedes</option>
7
<option value="audi">Audi</option>
8
</select>
select html
xxxxxxxxxx
1
<select class="form-control">
2
<option>1</option>
3
<option>2</option>
4
<option>3</option>
5
<option>4</option>
6
<option>5</option>
7
</select>
html create drop down list
xxxxxxxxxx
1
<html>
2
<head>
3
<title>Selection Inputs</title>
4
</head>
5
<body>
6
<form>
7
<label for="selector"> <!-- Can add label if want -->
8
<p>A "select" element allows users to input from a selection:</p>
9
<select id="selector"> <!-- Use "select" to create object -->
10
<option>Option 1</option> <!-- Add all applicable options -->
11
<option>Option 2</option>
12
<option selected>Option 3</option> <!-- add selected to change default from first option -->
13
<optgroup label="Group"> <!-- To create nested options for categories use "optgroup" -->
14
<option>Option 4</option>
15
<option>Option 5</option>
16
</select>
17
</label>
18
</form>
19
</body>
20
</html>
html select
xxxxxxxxxx
1
<label for="cars">Choose a car:</label>
2
<select name="cars" id="cars">
3
<optgroup label="Swedish Cars">
4
<option value="volvo">Volvo</option>
5
<option value="saab">Saab</option>
6
<option value="n/a" disabled>unavailable</option>
7
</optgroup>
8
<optgroup label="German Cars">
9
<option value="mercedes" selected>Mercedes</option>
10
<option value="audi">Audi</option>
11
</optgroup>
12
</select>
html select react
xxxxxxxxxx
1
class FlavorForm extends React.Component {
2
constructor(props) {
3
super(props);
4
this.state = {value: 'coconut'};
5
this.handleChange = this.handleChange.bind(this);
6
this.handleSubmit = this.handleSubmit.bind(this);
7
}
8
9
handleChange(event) { this.setState({value: event.target.value}); }
10
handleSubmit(event) {
11
alert('Your favorite flavor is: ' + this.state.value);
12
event.preventDefault();
13
}
14
15
render() {
16
return (
17
<form onSubmit={this.handleSubmit}>
18
<label>
19
Pick your favorite flavor:
20
<select value={this.state.value} onChange={this.handleChange}> <option value="grapefruit">Grapefruit</option>
21
<option value="lime">Lime</option>
22
<option value="coconut">Coconut</option>
23
<option value="mango">Mango</option>
24
</select>
25
</label>
26
<input type="submit" value="Submit" />
27
</form>
28
);
29
}
30
}