上下文类型:
window.onmousedown = function(mouseEvent) {
console.log(mouseEvent.button); //error
}
window.onmousedown = function(mouseEvent: any) {
console.log(mouseEvent.button);
}
上下文类型:
window.onmousedown = function(mouseEvent) {
console.log(mouseEvent.button); //error
}
window.onmousedown = function(mouseEvent: any) {
console.log(mouseEvent.button);
}