Data attribute reference The jQuery Mobile framework uses HTML5data-attributes to allow for markup-based initialization and configuration of widgets. These attributes are completely optional; calling plugins manually and passing options directly is also supported. To avoid naming conflicts with other plugin...
Get the value of an attribute for the first element in the set of matched elements or set one or more attributes for every matched element. 获取匹配的元素集合中第一个元素的attribute,或者为每个选定的元素添加一个至多个attribute prop() Get the value of a property for the first element in the...
jquerydataattr性能jquery中的attr方法 jquery中用attr()方法来获取和设置元素属性,attr是attribute(属性)的缩写,在jQueryDOM操作中会经常用到attr(),attr()有4个表达式。 1.attr(属性名) //获取属性的值(取得第一个匹配元素的属性值。通过这个方法可以方便地从第一个匹配元素中获取一个属性的值。如果元素没有相...
function dataAttr( elem, key, data ) { var name; // If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { // 参数当前状态 rmultiDash-> /[A-Z]/g // 将驼峰表示法转换为短横杠(html属性...
jQuery get & set data, text attribute value by id, name, class from element; In this tutorial, you will learn how to get and set data-attribute, data attribute id, data-attribute text etc using jQuery .attr() and .data() method.
The jQueryattr()method is also used to set/change attribute values. The following example demonstrates how to change (set) the value of the href attribute in a link: Example $("button").click(function(){ $("#w3s").attr("href","https://www.w3schools.com/jquery/"); ...
1) property是对象的属性值(有的时候文章中也称为特征值,他们是相同的),通过elem[ name ]来取值/赋值; 而attribute是直接写在标签上的属性,通过elem.getAttribute /elem.setAttribute。观察一张图很直观的理解(引用Aaron的图例) attributes是一个类数组的容器,说得准确点就是NameNodeMap,总之就是一个类似数组但又...
.data( key )Returns:Object Description:Return arbitrary data associated with the first element in the jQuery collection, as set by data() or by an HTML5data-*attribute. version added:1.2.3.data( key ) key Type:String Name of the data stored. ...
{title:'Item Details',colspan:4} ],[ {field:'listprice',title:'List Price',width:80,align:'right',sortable:true}, {field:'unitcost',title:'Unit Cost',width:80,align:'right',sortable:true}, {field:'attr1',title:'Attribute',width:100}, {field:'status',title:'Status',width:60} ...
2. $Dom.data(); 代码语言:javascript 代码运行次数:0 运行 AI代码解释 data: function( key, value ) { var i, name, data,elem = this[ 0 ], attrs = elem && elem.attributes; ... return data; ... } }, 省略绝大部分代码,可以看到,该方法去读取了元素的 attribute,最后返回的 data 会是在...