Created
February 26, 2017 01:56
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React Forms Management
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/*Controlled component*/ | |
class NameForm extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = {value: ''}; | |
this.handleChange = this.handleChange.bind(this); | |
this.handleSubmit = this.handleSubmit.bind(this); | |
} | |
handleChange(event) { | |
this.setState({value: event.target.value}); | |
} | |
handleSubmit(event) { | |
alert('A name was submitted: ' + this.state.value); | |
event.preventDefault(); | |
} | |
render() { | |
return ( | |
<form onSubmit={this.handleSubmit}> | |
<label> | |
Name: | |
<input type="text" value={this.state.value} onChange={this.handleChange} /> | |
</label> | |
<input type="submit" value="Submit" /> | |
</form> | |
); | |
} | |
} |
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class FlavorForm extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = {value: 'coconut'}; | |
this.handleChange = this.handleChange.bind(this); | |
this.handleSubmit = this.handleSubmit.bind(this); | |
} | |
handleChange(event) { | |
this.setState({value: event.target.value}); | |
} | |
handleSubmit(event) { | |
alert('Your favorite flavor is: ' + this.state.value); | |
event.preventDefault(); | |
} | |
render() { | |
return ( | |
<form onSubmit={this.handleSubmit}> | |
<label> | |
Pick your favorite La Croix flavor: | |
<select value={this.state.value} onChange={this.handleChange}> | |
<option value="grapefruit">Grapefruit</option> | |
<option value="lime">Lime</option> | |
<option value="coconut">Coconut</option> | |
<option value="mango">Mango</option> | |
</select> | |
</label> | |
<input type="submit" value="Submit" /> | |
</form> | |
); | |
} | |
} |
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