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How do I remove objects from a JavaScript associative array?

...d as hashtables/associative arrays. So, the following are the equivalent: alert(myObj["SomeProperty"]); alert(myObj.SomeProperty); And, as already indicated, you "remove" a property from an object via the delete keyword, which you can use in two ways: delete myObj["SomeProperty"]; delete myObj.S...
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unique object identifier in javascript

...e Object.prototype.a then "a" will be visible when you do for (prop in {}) alert(prop); So you have to make a compromise between augmenting Object.prototype and being able to iterate through record like objects using a for..in loop. This is a serious problem for libraries – A...
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How to detect scroll position of page using jQuery

...window).scrollTop() + $(window).height() == $(document).height()) { alert("bottom!"); // getData(); } }); share | improve this answer | follow ...
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How to delete last character from a string using jQuery?

... Why use jQuery for this? str = "123-4"; alert(str.substring(0,str.length - 1)); Of course if you must: Substr w/ jQuery: //example test element $(document.createElement('div')) .addClass('test') .text('123-4') .appendTo('body'); //using substring ...
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How to use getJSON, sending data with post method?

...tus + ", " + error; console.log("Request Failed: " + err); alert("Fehler!"); }); share | improve this answer | follow | ...
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get size of json object

... } catch (e) { break; } } alert(count); }); }); share | improve this answer |
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How can I get selector from jQuery object

...r += "." + $.trim(classNames).replace(/\s/gi, "."); } alert(selector); }); }); </script> </head> <body> <h1><span>I love</span> jQuery</h1> <div> <p>It's the <strong>BEST THING</strong> ever</p&...
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test if event handler is bound to an element in jQuery [duplicate]

...en removes itself, use the one() method. $("body").one("click",function(){ alert('test');}); – Daniel Katz Sep 9 '14 at 11:58  |  show 2 more ...
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How to get first character of string?

... What you want is charAt. var x = 'some string'; alert(x.charAt(0)); // alerts 's' share | improve this answer | follow | ...
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Dynamically add script tag with src that may include document.write

...on() { if (window.jQuery) { // jQuery is loaded alert("ADD SCRIPT TAG ON HEAD!"); } else { // jQuery is not loaded alert("DOESN'T ADD SCRIPT TAG ON HEAD"); } } sh...