使用jQuery获取data-的自定义属性
废话少说，先上代码
jQuery.fn.dataset = function(attr, val) {
// 获取数据集
if (arguments.length == 0) {
var dataset = {};
jQuery(this).eq(0).each(function() {
var attrs = this.attributes;
for (var i = 0, l = attrs.length; i < l; i++) {
var attr = attrs[i];
if (/^data-/i.test(attr.name)) {
dataset[decode(encode(attr.name.substring(5)))] = autobox(attr.value);
if (decode(encode(attr.name.substring(5))) == "path") {
dataset[decode(encode(attr.name.substring(5)))] = attr.value != null ? String(attr.value) : null;
}
if (decode(encode(attr.name.substring(5))) == "name") {
dataset[decode(encode(attr.name.substring(5)))] = attr.value != null ? String(attr.value) : null;
}
}
}
});
return dataset;
}
// 返回指定数据
if (arguments.length == 1 && typeof attr != 'object') {
if(encode(attr) == "data-path"){
return this.attr(encode(attr));
}
return autobox(this.attr(encode(attr)));
}
// 设置数据集
var dataset = attr;
if (typeof attr != 'object') {
dataset = {};
dataset[attr] = String(val);
}
var tmp = {};
jQuery.each(dataset, function(k, v) {
tmp[encode(k)] = autobox(v);
});
return this.attr(tmp);
};
通过jQuery制作组件，可以轻松获取到我们data-的自定义属性，也可以给data-属性来赋值。
获取：
$("div").dataset("name") //获取data-name的值
赋值：
$("div").dataset("name","Tezml") //给data-name这个属性赋值为Tezml
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