This article example describes how to obtain the number of json elements by js. Share it for your reference. The specific implementation method is as follows:
var keleyijson={"plug1":"myslider","plug2":"zonemenu","plug3":"javascript"}
function JSONLength(obj) {
var size = 0, key;
for (key in obj) {
if ((key)) size++;
}
return size;
};
(The number of elements of the "json object is: "+JSONLength(keleyijson));
</script>
The effects are as follows:
The number of elements of a json object is: 3
PS: Regarding json operation, here are some practical json online tools for your reference:
Online JSON code verification, inspection, beautification and formatting tools:
http://tools./code/json
JSON online formatting tool:
http://tools./code/jsonformat
Online XML/JSON mutual conversion tool:
http://tools./code/xmljson
json code online formatting/beautification/compression/editing/converting tools:
http://tools./code/jsoncodeformat
Online json compression/escaping tools:
http://tools./code/json_yasuo_trans
C language style/HTML/CSS/json code formatting and beautification tools:
http://tools./code/ccode_html_css_json
I hope this article will be helpful to everyone's JavaScript programming.