js method to get the number of json elements_javascript skills

The example in this article describes how to obtain the number of json elements using js. Share it with everyone for your reference. The specific implementation method is as follows:

Copy code The code is as follows:

<script><br> var keleyijson={"plug1":"myslider","plug2":"zonemenu","plug3":"javascript"} <p>function JSONLength(obj) {<br> var size = 0, key;<br> for (key in obj) {<br> if (obj.hasOwnProperty(key)) size ;<br> }<br> return size;<br> };<br> document.write("The number of elements of the json object is: " JSONLength(keleyijson));<br> </script>

The effect is as follows:

The number of elements of the json object is: 3

I hope this article will be helpful to everyone’s JavaScript programming design.