//子元素的class
var child = $(".child");
for (var i = 0; i < child.length; i++) {
var a = child[i];
a.index = i;//给每个className为child的元素添加index属性;
a.onclick = function () {
alert(this.index)
}
}
//子元素的class
var child = $(".child");
for (var i = 0; i < child.length; i++) {
var a = child[i];
a.index = i;//给每个className为child的元素添加index属性;
a.onclick = function () {
alert(this.index)
}
}
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