20f33942
 刘淇
反正多次提交
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export function debounce(func, wait = 1000, immediate = true) {
let timer;
return function() {
let context = this,
args = arguments;
if (timer) clearTimeout(timer);
if (immediate) {
let callNow = !timer;
timer = setTimeout(() => {
timer = null;
}, wait);
if (callNow) func.apply(context, args);
} else {
timer = setTimeout(() => {
func.apply(context, args);
}, wait)
}
}
}
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