"handlesubmit is not a function grocery list" Code Answer's
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handlesubmit is not a function grocery list
//fetch data from server
handleData = () => {
fetch('http://localhost:5000/api/listitems')
.then(response => response.json())
.then(data => this.setState({ items: data }));
}
//call handleData() on page load
componentDidMount() {
this.handleData();
}
//this function fires when form is submited
handleSubmit(event) {
event.preventDefault();
fetch('http://localhost:5000/api/listitems', {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
body: JSON.stringify( {
Content: this.state.content,
List_Group: this.state.listgroup,
Date_Added: this.state.date
})
})
.then(res => res.json())
.then(() => this.setState({content: ''}))
//call handleData() when form is submited, which reloads list
.then(() => this.handleData())
.then(console.log(this.state.items))
.catch(err => console.log(err));
}
Source: stackoverflow.com
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