'use strict'; var FONT_COLOR = '#fff'; var BG_COLOR = '#e64340'; Component({ properties: { content: String, color: { type: String, value: FONT_COLOR }, backgroundColor: { type: String, value: BG_COLOR }, isShow: { type: Boolean, value: false }, duration: { type: Number, value: 3000 } }, methods: { show: function show() { var _this = this; var duration = this.data.duration; this._timer && clearTimeout(this._timer); this.setData({ isShow: true }); if (duration > 0 && duration !== Infinity) { this._timer = setTimeout(function () { _this.hide(); }, duration); } }, hide: function hide() { this._timer = clearTimeout(this._timer); this.setData({ isShow: false, backgroundColor: BG_COLOR }); } } });