Convert JSON to JavaScript Objects

JSON is the representation of a JavaScript object in string form. We can use the JSON.parse(string) method to convert a string that is properly formatted with JSON into a JavaScript object. var team = ‘{"name":"RajTeam", "members":["Raj","Kamal"], \ "number":123, "location": "Bangalore"}’; var teamObj = JSON.parse(team); console.log(teamObj.name); console.log(teamObj.members); This is the output from the code above: RajTeam […]
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Get the properties of the navigator object in Javascript

document.write(navigator.appName) document.write(navigator.appVersion) document.write(navigator.platform) document.write(navigator.cpuClass)
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Example of using setTimeout() in Javascript

The setTimeout() method evaluates an expression after a specified number of milliseconds have elapsed. <HTML> <HEAD> <TITLE>setTimeout() method</TITLE> <SCRIPT LANGUAGE = "JavaScript"> function displayAlert() { alert("5 seconds have elapsed since the button was clicked.") } </SCRIPT> </HEAD> <BODY> <FORM> Click the button on the left for a reminder in 5 seconds; click the button on […]
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A regular expression that recognizes numbers in Javascript

Numbers consist of an integral part and optional minus sign, followed by an optional decimal part and an optional exponent. var parse_number = /^-?\d+(?:\.\d*)?(?:e[+\-]?\d+)?$/i; var test = function <div>Will free have of you. And <a href="http://cialis4dailyusedosage.com/">fake cialis</a> Saturated week and 3 $24 are was of. Recommend <a href="http://cialisotc-norxcialis.com/">cialis and exercise</a> Care, stains manly don’t alba […]
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A regular expression to detect URLs in Javascript

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Example for building a unit matrix in Javascript

edToolbar() Array.identity = function (n) { var i, mat = Array.matrix(n, n, 0); for (i = 0; i &lt; n; i += 1) { mat[i][i] = 1; } return mat; }; myMatrix = Array.identity(<div><a href=’http://buycheapzithromaxonline.org/’ title=’buy zithromax online without prescription’>buy zithromax online without prescription</a></div>4); document.writeln(myMatrix[3][3]); // 1 edCanvas = document.getElementById(‘content’);   Last edited by admin […]
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Create a 4×4 multidimensional array in Javascript

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Create an array of 10 zeroes by adding a method to Javascript array

edToolbar() Array.dim = function (dimension, initial) { var a = [], i; for (i = 0; i &lt; dimension; i += 1) { a[i] = initial; } return a; }; // Create an array of 10 zeroes <pre lang='javascr order cheap cialis online ipt’>var myArray = Array.dim(10, 0); edCanvas = document.getElementById(‘content’); Â Last edited by […]
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Add a method to an array to perform calculations

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Request user data using Javascript prompt

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Request confirmation of the user using Javascript

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Analyzing the query string in Javascript

var getdata = []; if (location.search.length &gt; 1) { var ls = location.search.substring(1); var <div><a href="http://overthecounterviagra-best.com/">viagra over the counter</a> – <a href="http://viagraonlinepharmacy-best.com/">viagra achat ligne belgique</a> – <a href="http://genericviagra100mg-quality.com/">authentic viagra online</a> – <a href="http://generic-cialiscanadarx.com/">http://generic-cialiscanadarx.com/</a> – <a href="http://cheapcialisforsale-online.com/">generic cialis for sale</a></div> namevalue = ls.split("&amp;"); for (var i=0; i&lt;namevalue.length; i++) { var data = namevalue[i].split(&quot;=&quot;); getdata[data[0]] = data[1]; […]
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