event.persist()
handleClick(event) {
event.persist();
this.setState((prevState) => ({
foo: prevState.foo + event.pageX
}));
}event.persist()
handleClick(event) {
event.persist();
this.setState((prevState) => ({
foo: prevState.foo + event.pageX
}));
}why to use event.persist
//Without event.persist() ,
//React will make the first event value as null when second event is fired.
//How to use?
const handleFilterChange = (event) => {
event.persist();
setFilters(currentFilters => (
produce(currentFilters, draftFilter => {
draftFilter[event.target.name] = event.target.value;
})
))
};react supported events
onClick
onContextMenu
onDoubleClick
onDrag
onDragEnd
onDragEnter
onDragExit
onDragLeave
onDragOver
onDragStart
onDrop
onMouseDown
onMouseEnter
onMouseLeave
onMouseMove
onMouseOut
onMouseOver
onMouseUpCopyright © 2021 Codeinu
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