src/helpers/util.ts
export function getEle(selector: string): Element[] {
const ele = document.querySelectorAll(selector)
if (ele.length > 0) {
const results: Element[] = []
ele.forEach(item => results.push(item))
return results
}
throw new Error(`cannot find ${selector} element`)
}
export function throttle(fn: Function, wait: number) {
let isCalled = false
return function(...args: any[]) {
if (!isCalled) {
fn(...args)
isCalled = true
setTimeout(function() {
isCalled = false
}, wait)
}
}
}