* isInChinese 检查是否包含汉字 * isEmail 简单的email检查 * isDate 简单的日期检查,成功返回日期对象 * isInList 检查是否有列表中的字符字符 * isInList 检查是否有列表中的字符字符 */ /*** 删除首尾空格 ***/ String.prototype.Trim = function() { return this.replace(/(^\s*)|(\s*$)/g, "...
wx.checkJsApi({ jsApiList: ['chooseImage'], // 需要检测的JS接口列表,所有JS接口列表见附录2, success: function(res) { // 以键值对的形式返回,可用的api值true,不可用为false // 如:{"checkResult":{"chooseImage":true},"errMsg":"checkJsApi:ok"} } }); 备注:checkJsApi接口是客户端6.0....
一点笔记 关于JS判断: if (!(isString(number) || isNumber(number)) || isNaN(number)) return '';
*/functionshowDate(date){// date is Dateif(dateinstanceofDate)date;// date is stringelseif(typeofdate==='string')date;// date is numberelsedate;} 范型也没问题: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** * @template T * @param {T} data * @returns {Promise<T>} * @...
大家好,今天我们来讲一下,如何使用javascript判断一个数组之中,是否有相同重复的元素。 在讲之前,先来讲一下思路: 在现实当中,当我们要判断某几个东西是否相同,那就意味着这东西至少是有2个或更多, 否则单个东西是没法比较的。 数组也是一样,要判断一个数组中是否有重复的元素, ...
Bootstrap Icons is an open source SVG icon library featuring over 1,800 glyphs, with more added every release. They're designed to work in any project, whether you use Bootstrap itself or not. Use them as SVGs or icon fonts—both options give you vector scaling and easy customization via...
gn gen out/debug --args="symbol_level=2 blink_symbol_level=2 is_debug=true enable_nacl=false dcheck_always_on=false v8_enable_sandbox=false" ninja -C out/debug d8 diff.patch如下: diff --git a/src/objects/map-upd...
Define when the cookie will be removed. Value must be aNumberwhich will be interpreted as days from time of creation or aDateinstance. If omitted, the cookie becomes a session cookie. To create a cookie that expires in less than a day, you can check theFAQ on the Wiki. ...
2014-04-07 17:22 −js判断是否是数字 第一种方法 isNaN isNaN 返回一个 Boolean 值,指明提供的值是否是保留值 NaN (不是数字)。 NaN 即 Not a Number isNaN(numValue) 但是如果numValue果是一个空串或是一个空格,而isNaN是做为数字0进行处理... ...
Supports filtering of multiple data types, including string, number, dropdown, cascade, region, date, and time. @kolirt/vue-web3-auth - 💎 Web3 authentication for Vue3 apps based on WalletConnect v2 and wagmi zoom-image - A little yet powerful framework agnostic library to zoom image on...