Is the hasOwnProperty method in JavaScript case sensitive?

Yes, it’s case sensitive (so obj.hasOwnProperty(‘x’) !== obj.hasOwnProperty(‘X’)) You could extend the Object prototype (some people call that monkey patching): Object.prototype.hasOwnPropertyCI = function(prop) { return ( function(t) { var ret = []; for (var l in t){ if (t.hasOwnProperty(l)){ ret.push(l.toLowerCase()); } } return ret; } )(this) .indexOf(prop.toLowerCase()) > -1; } More functional: Object.prototype.hasOwnPropertyCI = function(prop) … Read more

Is the hasOwnProperty method in JavaScript case sensitive?

Yes, it’s case sensitive (so obj.hasOwnProperty(‘x’) !== obj.hasOwnProperty(‘X’)) You could extend the Object prototype (some people call that monkey patching): Object.prototype.hasOwnPropertyCI = function(prop) { return ( function(t) { var ret = []; for (var l in t){ if (t.hasOwnProperty(l)){ ret.push(l.toLowerCase()); } } return ret; } )(this) .indexOf(prop.toLowerCase()) > -1; } More functional: Object.prototype.hasOwnPropertyCI = function(prop) … Read more

Can I use the HTTP range header to load partial files “on purpose”?

You are right, the link which you posted in the comment would be probably the best approach. As your question sounded interesting i tried it out. You probably did it also, but here is an snippet (for other, that may come looking) var xmlhttp = new XMLHttpRequest(); xmlhttp.open(“GET”,”data.dat”,false); xmlhttp.setRequestHeader(“Range”, “bytes=100-200”); xmlhttp.send(); console.info(xmlhttp); //–> returns only … Read more

How do I correctly use setInterval and clearInterval to switch between two different functions?

You need to capture the return value from setInterval( … ) into a variable as that is the reference to the timer: var interval; var count = 0; function onloadFunctions() { countUp(); interval = setInterval(countUp, 200); } /* … code … */ function countUp() { document.getElementById(“here”).innerHTML = count; count++; if(count === 10) { clearInterval(interval); countUp(); … Read more

Django: passing JSON from view to template

If a frontend library needs a to parse JSON, you can use the json library to convert a python dict to a JSON valid string. Use the escapejs filter import json def foo(request): json_string = json.dumps(<time_series>) render(request, “foo.html”, {‘time_series_json_string’: json_string}) <script> var jsonObject = JSON.parse(‘{{ time_series_json_string | escapejs }}’); </script>

JQuery getJSON – ajax parseerror

The JSON string you have is an array with 1 object inside of it, so to access the object you have to access the array first. With a json.php that looks like this: [ { “iId”: “1”, “heading”: “Management Services”, “body”: “<h1>Program Overview</h1><h1>January 29, 2009</h1>” } ] I just tried this $.getJSON(“json.php”, function(json) { alert(json[0].body); … Read more