Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | 1x 1x 1x 1x 2x | import { MPElement, MPInst } from '../../types' import { canUseMP } from './canUseMP' import { getCurrentDOM } from './getCurrentDOM' /** * 获取匹配指定选择器的第一个元素 * * @export * @param {string} selector * @param {MPInst} [dom=getCurrentDOM()] * @return {*} {(MPElement | null)} */ export function querySelector (selector: string, dom: MPInst = getCurrentDOM()): MPElement | null { return canUseMP() ? wx?.createSelectorQuery().in(dom).select(selector) : null } |