troubleshooting Question
html table fro json
asked on
hi,
i am trying below
https://www.w3schools.com/js/tryit.asp?filename=tryjson_html_table
where the html table data coming from
i am not clear on what below code doing either
what is dbparam why we need to stringify json and send that
dbParam = JSON.stringify(obj);
please advise
i am trying below
https://www.w3schools.com/js/tryit.asp?filename=tryjson_html_table
where the html table data coming from
i am not clear on what below code doing either
<!DOCTYPE html>
<html>
<body>
<h2>Make a table based on JSON data.</h2>
<p id="demo"></p>
<script>
var obj, dbParam, xmlhttp, myObj, x, txt = "";
obj = { "table":"customers", "limit":20 };
dbParam = JSON.stringify(obj);
xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
myObj = JSON.parse(this.responseText);
txt += "<table border='1'>"
for (x in myObj) {
txt += "<tr><td>" + myObj[x].name + "</td></tr>";
}
txt += "</table>"
document.getElementById("demo").innerHTML = txt;
}
};
xmlhttp.open("POST", "json_demo_db_post.php", true);
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlhttp.send("x=" + dbParam);
</script>
</body>
</html>
what is dbparam why we need to stringify json and send that
dbParam = JSON.stringify(obj);
please advise
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