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jquery - return value using ajax result on success

... return data; }, error: function() { alert('Error occured'); } }); } Another possibility (which is effectively the same thing) is to call a function inside your success: callback that passes the data when it is available. function isSession(select...
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Can I apply the required attribute to fields in HTML5?

...te on the server anyway, as you can’t guarantee that users will have JavaScript enabled.) share | improve this answer | follow | ...
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How to know that a string starts/ends with a specific string in jQuery?

...ould be useless so you should better use var str = "Hello World"; window.alert("Starts with Hello ? " + /^Hello/i.test(str)); window.alert("Ends with Hello ? " + /Hello$/i.test(str)); as the match() method is deprecated. PS : the "i" flag in RegExp is optional and stands for case insen...
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How to add an object to an array

How can I add an object to an array (in javascript or jquery)? For example, what is the problem with this code? 13 Answ...
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In Rails - is there a rails method to convert newlines to ?

...s basic HTML tags, but also passes text through sanitize which removes all scripts, so it should be safe for user input. share | improve this answer | follow ...
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JavaScript: Passing parameters to a callback function

...use the arguments variable like so: function tryMe (param1, param2) { alert(param1 + " and " + param2); } function callbackTester (callback) { callback (arguments[1], arguments[2]); } callbackTester (tryMe, "hello", "goodbye"); But otherwise, your example works fine (arguments[0] can be...
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

...it to be opened win.focus(); } else { //Browser has blocked it alert('Please allow popups for this website'); } Depending on the browsers implementation this will work There is nothing you can do to make it open in a window rather than a tab. ...
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Using HTML5/Canvas/JavaScript to take in-browser screenshots

... JavaScript can read the DOM and render a fairly accurate representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending fee...
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Get cursor position (in characters) within a text Input field

...ry the following code with verified result- <html> <head> <script> function f1(el) { var val = el.value; alert(val.slice(0, el.selectionStart).length); } </script> </head> <body> <input type=text id=t1 value=abcd> <button onclick="f1(docu...
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How to extract base URL from a string in JavaScript?

...one"; //add it document.body.appendChild(a); //read the links "features" alert(a.protocol); alert(a.hostname) alert(a.pathname) alert(a.port); alert(a.hash); //remove it document.body.removeChild(a); You can easily do it with jQuery appending the element and reading its attr. Update: There is no...