If the first element within the array matches value, $.inArray() returns 0. Because JavaScript treats 0 as loosely equal to false (i.e. 0 == false, but 0 !== false), to check for the presence of value within array, you need to check if it's not equal to (or greater than) ...
我在试着检测重复的身份证 if (id in dupeUIDCheck) dupeUIDCheck[id] =true;dupeUIDCheck = $(document).find('DIV') .map(function(){ return this.id || u 浏览0提问于2012-06-09得票数 2 2回答 使用inArray检查内容以添加类 因此,jQuery "inArray“对我来说是一只新的野兽,所以我有...
要检查数组中是否存在值,可以使用 JavaScript 中的Array.prototype.includes()方法或者 jQuery 中的$.inArray()方法。 使用JavaScript 的Array.prototype.includes()方法: 代码语言:javascript 复制 constarray=[1,2,3,4,5];constvalueToCheck=3;if(array.includes(valueToCheck)){console.log("Value exists ...
If the first element within the array matches value, $.inArray() returns 0. Because JavaScript treats 0 as loosely equal to false (i.e. 0 == false, but 0 !== false), to check for the presence of value within array, you need to check if it's not equal to (or greater than) ...
success:function(result){ $("#weather-temp").html(""+ result +" degrees"); } }); Related Projects jQuery UI This project is in maintenance-only mode.Learn more. jQuery Mobile This project is deprecated.Learn more.
(2)remote:"check.php" 使用ajax方法调用check.php验证输入值 (3)email:true 必须输入正确格式的电子邮件 (4)url:true 必须输入正确格式的网址 (5)date:true 必须输入正确格式的日期 日期校验ie6出错,慎用 (6)dateISO:true 必须输入正确格式的日期(ISO),例如:2009-06-23,1998/01/22 只验证格式,不验证有效...
这意味着在路径:path: window.location.pathname包含像这样的文件名:/check.html,则不能设置路径(或者,至少这里的cookie不能被正确读取)。 域 domain: 'example.com' 1. 定义cookie有效的域。默认:创建cookie的页面的域。 安全 secure: true 1. 如果为true,则Cookie传输需要安全协议(https)。默认:false。
e&&"length"ine&&e.length,n=w(e);return!m(e)&&!x(e)&&("array"===n||0===t||"number"==typeoft&&0<t&&t-1ine)}k.fn=k.prototype={jquery:f,constructor:k,length:0,toArray:function(){returns.call(this)},get:function(e){returnnull==e?s.call(this):e<0?this[e+this.length]...
#10076: $.inArray crashes IE6 and Chrome if second argument is `null` or `undefined` CSS #6652: Remove filter:alpha(opacity=100) after animation #9572: Support -ms-transform in .css() method #10021: Can’t add negative numbers using the relative-value syntax with .css() and .animate...
== undefined` core_strundefined = typeof undefined, // Use the correct document accordingly with window argument (sandbox) document = window.document, location = window.location, // Map over jQuery in case of overwrite _jQuery = window.jQuery, // Map over the $ in case of overwrite _$ ...