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  • Javascript text insertion in textbox.

    - by Guru
    Hello there, I've got a textbox(id="tb1") and a button(id="btn1"). I want that whenever I click on btn1 a text "hello world" must be inserted in the tb1 at the current position of cursor in text-box. Please provide me a cross browser solution for this. Since I'm frosted from some heavy extra ordinary links so it'd be better to post a function considering the current scenario. Thanks, Guru

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  • how delete all options except second in javascript

    - by Syom
    i have a select tag, with some options <select id="sel"> <option>text1</option> <option>text2</option> <option>text3</option> <option>text4</option> </select> i want to delete all options except second, i.e i want to get <select id="sel"> <option>text2</option> </select> i think it must looks something like this document.getElementById('sel').options.length= 0; but it deletes all list, so could you help me. thanks

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  • populate array fron list onclick javascript

    - by user3703591
    I 'm writing a code with JS and I don't know how to populate array when clicking on button. We have this code, which uses a list (ul), where the items (li) can be moved with mouse. How can do onclick to populate an array with 2 data, its first position and the last position? <!doctype html> <html lang="en"> <head> <script src="http://code.jquery.com/jquery-1.9.1.js"></script> <script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script> <script src="https://raw.github.com/furf/jquery-ui-touch-punch/master/jquery.ui.touch-punch.min.js"></script> <script> $(function() { $( ".documents" ).sortable(); $( ".documents" ).disableSelection(); }); </script> <meta charset="utf-8"> <title>toArray demo</title> <style> span { color: red; } </style> </head> <body> Reversed - <span></span> <ul id="opciones" class="documents"> <li>uno</li> <li>dos</li> <li>tres</li> </ul> <script> function disp( li ) { var a = []; for ( var i = 0; i < li.length; i++ ) { a.push( li[ i ].innerHTML ); } $( "span" ).text( a.join( " " ) ); } disp( $( "li" ).toArray() ); </script> <input type="button" value="actualizar_array" onclick="disp('#opciones')" /> </body> </html>

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  • Question about JavaScript syntax

    - by Sakti
    $(document).ready(function(){ var date = new Date(); var d = date.getDate(); var m = date.getMonth(); var y = date.getFullYear(); var month = new array("January","February","March","April","May","June","July","August","September","October","November","December"); var mon; mon = month(m); var today = m+"/"+d+"/"+y $('#calendar').append('<div id="today">Today is'+' '+mon+'/'+d+'/'+y+'.'); });

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  • Simple question about javascript history.go

    - by Camran
    I have a classifieds website. In every classified, there is a back link which simply takes the browser back one step. This is because when users search classifieds, and click on one to view it, they can easily go back with a link also (instead of only the browser back button). Here is the problem, if the classified is entered directly into the adress bar of a browser, or if somebody bookmarked a classified, then this back-link would take them someplace else... Is there any way of making sure that the previous page is a certain page (index.php in my case)? This way I would only display the back link if the previous page was index.php... Thanks

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  • Javascript - Function call will not enter function body

    - by Mike S
    I have a function acting as a constructor that, when called, gets as far as the function definition in the debugger, but never to the function body. Is there a common reason this may happen that I am overlooking? Example code below: myconstructor.js function MyConstructor(optionalParam) { //this breakpoint gets hit var newobj = {}; //breakpoint never hit //code to check for null parameter //other code }; main.js var myConstructor = new MyConstructor(); There must be something I have overlooked, but I can't see what that is. Neither firefox/firebug nor VS report errors or warnings. Thanks!

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  • Selecting an option with javascript

    - by Fibericon
    I have a drop down menu that I want to have selected on page load. This is what I'm using at the moment: var selector = document.getElementById("action_person").firstChild; var n = 0; while(selector.options[n] != null) { if(selector.options[n].value == "person") { selector.options.selectedIndex = n; } n++; } I've also tried replacing selector.options.selectedIndex = n with selector.options[n].selected = true. However, it never selects for me. It always shows the item at the top of the drop down. I've verified that the value "person" does exist in the drop down, and that the variable "selector" does point to a valid drop down. What am I doing wrong here?

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  • Simple logic in javascript

    - by Saurabh
    I have four variables of type integer - var tip_1, tip_2, tip_3, tip_4; The value of these variables are getting fill by some other logic which is always between 1 to 10. I need to maintain a hash with variable name as "key" and value as "value" by following these rules - The variable with MAX value should be the first element in the hash and so on. e.g. if tip_1 = 4, tip_2 = 1, tip_3 = 2, tip_4 = 10 then hash should be something like, Hash = {tip_4, 10} {tip_1, 4} {tip_3, 2} {tip_1, 1} In case of tie following order should be considered - tip_1 tip_2 tip_3 tip_4;

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  • Split a sting array into a number array in javascript

    - by Wesley Skeen
    I am reading a value from a dropdown list depending on what option is selected. I am using jqPlot to graph the values. jqPlot expects an array of values like [91, 6, 2, 57, 29, 40, 95] but when I read the value in from the dropdown box it is coming in as a whole string "[91, 6, 2, 57, 29, 40, 95]" I tried splitting it but I got ["91", "6", "2", "57", "29", "40", "95"] which wont display the graph correctly. Is there anybody that has encountered something like this before and what can I do to make my values convert into a number array. Thanks for any help

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  • Arguments to JavaScript Anonymous Function

    - by Phonethics
    for (var i = 0; i < somearray.length; i++) { myclass.foo({'arg1':somearray[i][0]}, function() { console.log(somearray[i][0]); }); } How do I pass somearray or one of its indexes into the anonymous function ? somearray is already in the global scope, but I still get somearray[i] is undefined

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  • jQuery/JavaScript: Trigger when preloaded

    - by user317563
    Hello there, jQuery has the .ready() function, but I am unsure whether this is what I need: I set a default background image in CSS (imange 1 out of 4), once document is loaded (images and all, not only DOM); I want to start preloading background image 2 out of 4. Once that is loaded, I want to fade image 1 into image 2. Then I want to preload the next image (3 out of 4), once that is loaded, I want to fade from background image 2 into image 3, and finally preload image 4. Once image 4 is loaded, i would like to fade image 3 into image 4. After that, I want to cycle between the images with a set time interval. What strategy would I use to solve this? .load() function? Thank you for your time. Kind regards,Marius

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  • xhtml validation javascript

    - by Jason
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> onmouseover="text.show('<br /><b>XXXXXX</b><br />')" Validation Output: Error: character "<" is the first character of a delimiter but occurred as data How can I fix it? thanks

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  • Get Next and Previous Elements in JavaScript array...

    - by Belden
    I have a large array, with non-sequential IDs, that looks something like this: PhotoList[89725] = new Array(); PhotoList[89725]['ImageID'] = '89725'; PhotoList[89725]['ImageSize'] = '123'; PhotoList[89726] = new Array(); PhotoList[89726]['ImageID'] = '89726'; PhotoList[89726]['ImageSize'] = '234'; PhotoList[89727] = new Array(); PhotoList[89727]['ImageID'] = '89727'; PhotoList[89727]['ImageSize'] = '345'; Etc.... I'm trying to figure out, given an ID, how can I can get the next and previous ID... So that I could do something like this: <div id="current">Showing You ID: 89726 Size: 234</div> Get Prev Get Next Obviously, if we're at the end or beginning of the array we just a message...

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  • Javascript regular expressions problem

    - by Patrick
    Hello! I am creating a small yatzy game and i have run into some regex problems. I need to verify certain criteria to see if they are met. The fields one to six is very straight forward the problem comes after that. Like trying to create a regex that matches the ladder. The Straight should contain one of the following characters 1-5. It must contain one of each to pass but i can't figure out how to check for it. I was thinking /1{1}2{1}3{1}4{1}5{1}/g; but that only matches if they come in order. How can i check if they don't come in the correct order?

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  • Update someones birthday with javascript

    - by user2768038
    So far the only mathematical way I can think of doing it is this: var age = 18 var today = new Date(); var myDate = new Date(); myDate.setFullYear(2013,3,13); /* My birthday is april 13th */ var y = (today - myDate); var days = ( y / (1000*60*60*24)); if(days >= 360){ var age = age +1; } if(days >= 720){ var age = age +1; } //etc...... document.write(age); Is there a better way of doing the if statements? so that I don't have to write one out for every year? I can't think!

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  • javascript var assignment conversion to target type

    - by pbhd
    searching for a function, which converts rhs to the type of lhs. e.g. var x=false // x is boolean now; x=assign (x, "true"); //should convert "true" to boolean and return that x=assign (x, 1); // dto, convert 1 to true x=0 // x is number x=assign (x, "123"); // should convert "123" to 123; so such a function can be written, thats not the question. But: Is there somewhere a somehow complete implementation of such a thing? I started with something like that: function assign (v, x) { if (typeof v==typeof x) { return x; } switch (typeof v) { case 'boolean' : { return x=='true'?true:false; } case 'number' : { return parseFloat(x); } } return "xxx"; } var v=true; var x='true'; var r1=assign (v, x); console.log (typeof r1+ " "+r1); v=10; x="123"; var r1=assign (v, x); console.log (typeof r1+ " "+r1); which of course is not complete, but maybe shows what I'm goig for.

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  • Why is this NaN to javascript?

    - by MJB
    I have this object printed with console.log Array[1] 0: Object address: "blablabalbala" datatype: "Location" icon: "cafetaria" id: "/mensa/wo_mensa1_turm.std.php" kind: "Mensa" lat: 50.777016 lon: 6.080348 sortkey: "zeltmensa, forum cafete" stationId: "/mensa/wo_mensa1_turm.std.php" title: "Zeltmensa, Forum Cafete" type: "Mensa" But console.log("nav to: "+data[0].lat+" "+data[0].lon); gives me undefined undefined, and at another point NaN NaN.. I don't understand this. It also doesn't let me use any other attributes like data[0].addresse, which returns undefined aswell. Thanks for help.

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  • jquery/javascript to disable button within a table cell

    - by user1831612
    I have a table cell with 2 buttons in it. <td align="left" > <input type="button" value="edit"/> <input type="button" value="save" disabled="disabled"/> </td> By default save button is disabled. On the click of edit button, save button button must be enabled. The problem is i cannot assign id's to buttons since the table is dynamically generated using struts2 s:iterator tag. If i do there will be 2 or more cells with the same id How can I achieve this?

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  • Javascript - Text Input Attributes

    - by bobrusha
    I need to create a form element <input disabled type="text" value="smth" /> which is disabled by default. It enables when onmouseover occures. onmouseover="this.disabled=false;" And is disabled by onmouseout onmouseout="this.disabled=true;" What I need is to check the following. If the <input> is focused then it shouldn't be disabled. And if the form element loses focus it disables. Please help me to complete the events. <input disabled type="text" value="smth" onmouseover="this.disabled=false;" onfocus="???" onblur="???" onmouseout="if(???){this.disabled=true;}" />

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  • Javascript !something && function()

    - by cpf
    Hi Stackoverflow, I have been looking at the source code of raphael (http://raphaeljs.com/index.html) and I see a lot of stuff like !variable && function() (e.g.: !svg.bottom && (svg.bottom = this); ) What does that exactly do? Does it check first and execute only if not true? Thanks.

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  • Document width calculated via Javascript is different in Firefox compared to other browsers

    - by Scarpelius
    I have a problem with retrieving the current page document width from Mozilla Firefox. While the rest of the browsers report the correct width of the document, Firefox reports a smaller one (example: at screen resolution of 1920x1080 IE, Chrome and Safari reports 1920 while Firefox reports 1903). I use document width in $(document).ready(function() { ... }); to reposition a div element. Funny this is that after using alert() inside this function, the element reposition correctly, though the document size is still smaller than other browsers.

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  • Creating a Drop-Down Menu with Javascript

    - by iceteea
    Question about logics here: What's the most elegant way to make the menu appear/disappear onmouseover/onmouseout? See the following JsBin: http://jsbin.com/owayeb/edit#source The Menu is hidden by default. If the user moves his cursor above the Link the showme() function gets called. When the user moves his cursor away the hideme() functions gets called. How would I get the Menu to persist while the user moves his mouse away from the Link to above the Menu? Or is this all the wrong school of thought?

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