zoukankan      html  css  js  c++  java
  • JavaScript检测之basevalidate.js

    上篇文章「JavaScript检测原始值、引用值、属性」中涉及了大量有用的代码范例,为了让大家更方便的使用这些代码,博主特意把这些代码重新整理并托管到 GitHub,项目地址是:https://github.com/stone0090/s-fontend/tree/master/me/basevalidate

    basevalidate.js 包含 14个独立检测方法1个综合检测方法,示例代码如下:

    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <title>basevalidate test</title>
      <script type="text/javascript" src="basevalidate.js"></script>
      <script>
    
        var Person = function(){
          this.name = 'stone';
          this.age = 30;
        }
    
        var person = new Person();
        var nums = [123, 456, 789];
    
        // 14个独立检测方法
        console.log(baseValidate.isString(null));
        console.log(baseValidate.isNumber(null));
        console.log(baseValidate.isBoolean(null));
        console.log(baseValidate.isUndefined(null));
        console.log(baseValidate.isNull(null));
        console.log(baseValidate.isObject(null));
        console.log(baseValidate.instanceOf(null));
        console.log(baseValidate.isFunction(null));
        console.log(baseValidate.isArray(null));
        console.log(baseValidate.isProperty(null));
        console.log(baseValidate.isOwnProperty(null));
        console.log(baseValidate.isDomProperty(null));
        console.log(baseValidate.isBomProperty(null));
        console.log(baseValidate.isEmpty(null));
    
        // 1个综合检测方法 baseValidate(value, object),等价于 baseValidate.validateAll(value ,object)
        console.log(baseValidate('123'));
        console.log(baseValidate(123));
        console.log(baseValidate(true));
        console.log(baseValidate(person, Person));
        console.log(baseValidate(nums));
        console.log(baseValidate('age', person));
        console.log(baseValidate('name', person));
        console.log(baseValidate(alert));
        console.log(baseValidate(document.getElementById));
    
        // 以下皆为 isEmpty() 方法为 false 的情况
        console.log(baseValidate()); // 不传参数,参数默认为 undefined
        console.log(baseValidate(null));
        console.log(baseValidate(''));
        console.log(baseValidate(0));
        console.log(baseValidate(false));
        console.log(baseValidate({}));
        console.log(baseValidate([]));
        console.log(baseValidate(NaN));
    
      </script>
    </head>
    <body></body>
    </html>
    

    测试结果如下:

    不知道大家有没有发现,其中一个结果好像不太正确,console.log(baseValidate('name', person)) 为什么会输出 isBomProperty: true,这是因为window 对象中也有 name 属性,所以 name 也被认为是 BOM 的属性。

    欢迎关注微信公众号「劼哥舍」,老斯基带你飙车。

  • 相关阅读:
    Shader_ShaderForge_NGUI_流光&波纹&消融
    “PurMVC”在Unity中的应用
    springboot整合jdbc
    ajax属性详解
    FreeMarker 日期转换失败
    freemarker404解决方案(全面)
    @RequestParam,@PathParam,@PathVariable等注解区别
    @RestController和@Controller区别
    通过code去获取他的枚举
    Servlet(三)ServletContext
  • 原文地址:https://www.cnblogs.com/shi0090/p/5616795.html
Copyright © 2011-2022 走看看