DOM元素响应的className属性获取的不是class名称的数组,而是一个含有空格的字符串,这就使得多class操作变得很麻烦。 同样的jQuery开发者也考虑到这种情况,增加了一个.addClass()方法,用于动态增加class类名 .addClass( className ) : 为每个匹配元素所要增加的一个或多个样式名 .addClass( function(index, currentC...
设置单选按钮、多选菜单和选择框 $("#single").val("Single2"); $("#multiple").val(["Multiple2", "Multiple3"]); $("input").val(["check2", "radio1"]);
attr(attributes):为匹配的元素集合中的每个元素设置多个属性值,attribute格式如下:{属性名一: “属性值一” , 属性名二: “属性值二” , …… } removeAttr()删除方法 .removeAttr( attributeName ) : 为匹配的元素集合中的每个元素中移除一个属性(attribute) 注意的问题: dom中有个概念的区分:Attribute和Pr...
get:function(elem) {//specified:检测是否在HTML中设置了属性值,设置了返回true,否者返回false//因为select下的option有value和text两种值,如果存在value属性,将返回value值,否者返回option的text文本//attributes.value is undefined in Blackberry 4.7 but//uses .value. See #6932varval =elem.attributes.value;...
Defines an object with additional attributes to be used in a "script" or "jsonp" request. The key represents the name of the attribute and the value is the attribute's value. If this object is provided it will force the use of a script-tag transport. For example, this can be used ...
When setting multiple attributes, the quotes around attribute names are optional. Removing an attribute To remove an attribute, either call.attr( name, null )or use.removeAttr( name ). For non-ARIA attributes, in jQuery 4.0+ you can also call.attr( name, false ). ...
Add attributes tonodes Execute$.treeMultiselect(params)with whatever params you want Setting up your Make sure yourhas themultipleattribute set. Thechildren can have the following attributes. Option Attributes Option Attribute nameDescription selected...
rules("add",rules) Options 增加验证规则。 rules("remove",rules) Options 删除验证规则。 removeAttrs(attributes) Options 删除特殊属性并且返回它们。 自定义选择器 :blank Validator 没有值的筛选器。 :filled Array <Element> 有值的筛选器。 :unchecked Array <Element> 没选择的元素的筛选器。 实用工具 ...
Enable reading data-* attributes that have underscores in the name Misc. Support simple DOM property names in .prop(name) such as for, class, readonly… Implement the .scrollLeft([value]) method Support setting .scrollTop(value) Fix $(document).width/height() Support fetching multiple CSS va...
Just addmultiple="multiple"andclass="multi"attributes to your, like this: Use themaxlengthproperty if you want to limit the number of files selected.Server-side validation is always required Use theacceptif you only want files of a certain extension to be selected...