javascript - 使用 javascript 获取子项计数

Question

谁能告诉我如何使用 javascript 获取主 div 中子元素的数量，如下所示

<div ng-transclude="">
        <input type="text" ng-model="user" class="ng-scope ng-pristine ng-valid">
</div> 

计数 = 1

<div ng-transclude="">
        <input type="text" ng-model="user" class="ng-scope ng-pristine ng-valid">
        <input type="text" ng-model="place" class="ng-scope ng-pristine ng-valid">
</div> 

计数 = 2

Answer 1

使用 JavaScript:

var childs = document.getElementById("id").children.length;