How to Check if a String Is a Valid JSON String in Javascript?
In order to check the validity of a string whether it is a JSON string or not, We’re using the JSON.parse()method with few variations.if json valide js
function IsJsonString(str) {
try {
JSON.parse(str);
} catch (e) {
return false;
}
return true;
}javascript is valid json string
function isValidJSONString(str) {
try {
JSON.parse(str);
} catch (e) {
return false;
}
return true;
}
//usage
var personJSONString = '{"first_name":"Tony","last_name":"Hawk","age":31}';
if(isValidJSONString(personJSONString)){
//cool we are valid, lets parse
var person= JSON.parse(personJSONString);
}