constructor(props) {
super(props);
this.state = {
moreData: [
{name: "a", value: "1"},
{name: "b", value: "2"},
{name: "c", value: "3"}
]
}
}
constructor(props) {
super(props);
this.state = {
moreData: [
{name: "a", value: "1"},
{name: "b", value: "2"},
{name: "c", value: "3"}
]
}
} setState can only change the value of the outermost property.
in your case, you need to manually modify it and then re-assign it.
for example:
changeValue() {
const data = this.state.moreData.map(v => {
if (v.name === 'a') {
v.value = '10'
}
return v
});
this.setState({ moreData: data })
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