change js to json
var obj = {name: "Martin", age: 30, country: "United States"};
// Converting JS object to JSON string
var json = JSON.stringify(obj);
console.log(json);
// Prints: {"name":"Martin","age":30,"country":"United States"}
"https://www.tutorialrepublic.com/faq/how-to-convert-js-object-to-json-string.php"object to json javascript
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);json object in html page
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>JSON Test</title>
</head>
<body>
<div id="myData"></div>
<script>
fetch('people.json')//file json objects
.then(function (response) {
return response.json();
})
.then(function (data) {
appendData(data);
})
.catch(function (err) {
console.log('error: ' + err);
});
function appendData(data) {
var mainContainer = document.getElementById("myData");
for (var i = 0; i < data.length; i++) {
var div = document.createElement("div");
div.innerHTML = 'Name: ' + data[i].firstName + ' ' + data[i].lastName;
mainContainer.appendChild(div);
}
}
</script>
</body>
</html>json table example
CopyCREATE TABLE j_purchaseorder
(id VARCHAR2 (32) NOT NULL PRIMARY KEY,
date_loaded TIMESTAMP (6) WITH TIME ZONE,
po_document VARCHAR2 (23767)
CONSTRAINT ensure_json CHECK (po_document IS JSON));Copyright © 2021 Codeinu
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