var aﾠ = 1; var a = 2; var ﾠa = 3; if(aﾠ==1 && a== 2 &&ﾠa==3) { console.log("Why hello there!"); } 第二种方法是利用特殊的空格来区分不同的变量,看上去都是a,但是是不同的三个变量,一个是aﾠ,一个是a,一个是ﾠa;这样就可以让三个看起来都是a的变量等于1、...
document.getElementById("test").innerHTML = a.toString(); //输出1 1. 2. 3. 4. 5. 6. unshift(x1,x2,x3,……) 方法,可向数组的开头添加一个或多个元素,并返回新的长度,原有数组发生改变。用法如下: <p id="test"></p> var a = [1,2]; var b = a.unshift(3); //b的值为3 do...
Y——野战部队—北京军区 车牌号是标识车辆身份的号牌，车牌号对车的意义就像身份证号对人一样。例如车牌是广东省广州市的车子，粤代表广东省，A代表广州市，粤A就是广州市的车牌代码。
首先,在这里看到的1,2,3,没有明确的定义,单纯看这段代码,不清楚1,2,3代表什么, 其次,假如A角色的值某一天改了一下, 那这么才能找到所有用到A角色的代码(当然改变角色值得情况很少,但并不排除) 最后,假如我们现在加了一个角色,那我们快速知道应该修改哪些代码,使业务场景覆盖到这个新的角色 这个角色是不会变...
<script type="text/javascript">vara = [1,2,3]; document.write( a.concat(4,5) );</script>输出:1,2,3,4,5例子2在本例中,我们创建了两个数组,然后使用 concat() 把它们连接起来:<script type="text/javascript">vararr =newArray(3) ...
Node.js releases a new major version every 6 months, allowing for breaking changes. This happens in April and October every year. Releases appearing each October have a support life of 8 months. Releases appearing each April convert to LTS (see below) each October. LTS: Releases that receive...
Vite (French word for "quick", pronounced/vit/, like "veet") is a new breed of frontend build tooling that significantly improves the frontend development experience. It consists of two major parts: A dev server that serves your source files overnative ES modules, withrich built-in features...
Discovery of JSI-124 (Cucurbitacin I), a Selective Janus Kinase/Signal Transducer and Activator of Transcription 3 Signaling Pathway Inhibitor with Potent ... MA Blaskovich,J Sun,A Cantor,... - 《Cancer Research》 被引量: 1273发表: 2003年 Elevated Interleukin-6 and G-CSF in Human Pancreati...
A live pastebin for HTML, CSS & JavaScript and a range of processors, including SCSS, CoffeeScript, Jade and more...
1. anchor 创建 a 标签字符串 anchor(name),name:a 标签的 name 属性 返回一个 a 标签字符串 let str = "yqcoder";// 不传值str.anchor(); // '<a name="undefined">yqcoder</a>'// 创建 name 属性为 web 的 a 标签字符串str.anchor("web"); // '<a name="web">yqcoder</a>' ...