技术标签:JavaScriptjavascript 查看原文 惠农改版(一) 1.localStorage在HTML5中,新加入了一个localStorage特性,这个特性主要是用来作为本地存储来使用的,解决了cookie存储空间不足的问题(cookie中每条cookie的存储空间为4k),localStorage中一般浏览器支持的是5M大小,这个在不同的浏览器中localStorage会有所不同。
log(data); A: "{"level":19, "health":90}" B: "{"username": "lydiahallie"}" C: "["level", "health"]" D: "{"username": "lydiahallie", "level":19, "health":90}" 答案 答案:A JSON.stringify的第二个参数是 替代者 (replacer). 替代者 (replacer) 可以是个函数或数组,用以...
@ohos.data.preferences在App退出重启后,持久化数据丢失 非UI页面使用用户首选项时如何获取context 如何实现同步方式调用数据库接口? 首选项错误码:code:"401” err: Error: Parameter error. The type of 'value' must be ValueType. 如何排查问题 如何查看或导出持久化数据? 如何获知数据存储沙箱路径?
在呈現的文字前加入 checkbox ,使用 data-set , id , 三元運算子 ,確認綁定 id 和for 兩者一致,之後用 data-set 找到值。把資料儲存在 LocalStorage 這樣重新進入才會保留資料 (function: addItem) 使用setItem(key, value) localStorage.setItem('items', items); LocalStorage 會看不懂物件所以要幫它轉 localSt...
Failed to read the 'localStorage' property from 'Window' 的解决办法 参考链接: https://stackoverflow.com/questions/30481516/iframe-in-chrome-error-failted-to-read-localstorage-from-window-access-den Failed to read the 'localStorage' property from 'Window' : Access is denie... ...
Update June 2019: This blog post was written in 2015. The benchmarks are out-of-date. WebSQL isstill deprecatedand in factbeing removed from iOS Safari. Web Workers arenot necessarily a panacea. I’d recommend using IndexedDB for large data, and LocalStorage for small amounts of data tha...
How do I bind the data of an ArkTS object and the data of a native object? How is env obtained when a callback is executed by Node-API? How do I call ArkTS APIs from the native side (using C/C++)? How do I integrate the third-party library curl and use it to send HTTP...
查阅一些资料, 原来是chrome把第三方的cookies给block了. 解决办法 在地址栏输入chrome://settings回车, 或者 在搜索框中输入third-party, 然后点击下面的Content settings...按钮 在弹出框中: Cookies小节, 把Block third-party cookies and site data option取消勾选 ...
String.fromCharCode(event.keyCode) HTML5事件 DOMContentLoaded hashchange beforeunload JavaScript API 客户端存储 -localStorage和sessionStorage copy localStorage.colorSetting='#a4509b';localStorage['colorSetting'] ='#a4509b';localStorage.setItem('colorSetting','#a4509b'); ...
Android9.0 Uncaught SecurityError: Failed to read the 'localStorage' property from 'Window': Access is denied for this document 2019-12-23 19:11 −// 经过URL后就存在这个问题mWebView.loadUrl(URL(originalUrl).toString()) 最后 使用 loadDataWithBaseURL 方式 setItem使用拼接方式 再replace替换相应的地...