Method setItem

packages/miniprogram-render/src/bom/storage.js:131–140

(key, data)

    }

    setItem(key, data) {
        if (!key || typeof key !== 'string') return
        data = '' + data

        const oldValue = wx.getStorageSync(key) || null

        wx.setStorageSync(key, data)
        this.$_updateInfo()
        this.$_triggerStorage(key, data, oldValue)
    }

    removeItem(key) {
        if (!key || typeof key !== 'string') return