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  • Javascript for removing menu and scroll bars

    - by nWight
    Hi - I have this script on my html page: parent.resizeTo(550,510); I'd like to add to it so it positions the window in the middle of the screen. Also, I want to remove the address and tool bars (I've managed to hide the scrollbars by using body{overflow:hidden;}). I know how to do this using JS upon opening a new window from the browser but this needs to work from clicking a link on a PDF. Does anyone have any suggestions? Thank you!

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  • Insert multiple attributes into html tag using JavaScript and not between tags

    - by WilliamK
    From a previous quest we asked about inserting a new attribute into a html tag and the code below does the job nicely, but how should it be coded to add multiple attributes, for example changing.. <body bgcolor="#DDDDDD"> to... <body bgcolor="#DDDDDD" topmargin="0" leftmargin="0"> The code that works for a single attribute is... document.getElementsByTagName("body")[0].setAttribute("id", "something"); How to modify this for inserting multiple attributes?

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  • simple javascript form code

    - by Steven Chaney
    I have a simple question about running some JS in a form i am trying to make it so that if a user selects an option (entry_12) in a drop down list, that the next form fields are not required (entry_11 entry_13 entry_11) those are the IDs for the fields any thoughts? im not sure where to start on this i have searched all over google and cannot find an instance of this. im trying to make it so if a user selects 'check' out of this list <div class="ss-item ss-item-required ss-select"><div class="ss-form-entry"><label class="ss-q-title" for="entry_12">Card Type <span class="ss-required-asterisk">*</span></label> <label class="ss-q-help" for="entry_12"></label> <select name="entry.12.single" id="entry_12"><option value="Check">Check</option> <option value="Mastercard">Mastercard</option> <option value="Visa">Visa</option> <option value="Amex">Amex</option> <option value="Discover">Discover</option></select></div></div></div> that the next fields (cvc code, exp date, cc number) arent required as they are if they had chosen CC

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  • PHP echo in Javascript

    - by DonCroce
    I have this code: document.getElementById('root').style.left = '<?php echo $page_position[$info["os"]][$info["browser"]][0]; ?>'; document.getElementById('root').style.top = '<?php echo $page_position[$info["os"]][$info["browser"]][1]; ?>'; Why won't this work like this? Can anybody point me in the right direction? EDIT: <?php echo $page_position[$info["os"]][$info["browser"]][1]; ?> echoed "top:300px;" Sorry guys, very stupid error of mine :/

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  • Javascript Getting specific element (of parent) by name

    - by Fluidbyte
    I'm using custom tags to define sections in an application, so I have something like this: <mysection> <form> <input name="myfield"> </form> </mysection> I'm using the following and able to get the tag (printed to console, everything is groovy) var parent = document.getElementsByTagName('mysection'); The issue I'm having is finding the child field by name: var myfield = parent.getElementsByName("myfield"); ...as I don't want to pick up on any other 'sections' that might have an input with the name 'myfield'. EDIT: var parent = document.getElementsByTagName('mysection')[0]; was suggested and returns to console the section contents, however, getElementsByName throws an error: Uncaught TypeError: Object #<NodeList> has no method 'getElementsByName'

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  • Problem with Javascript object and accessing property which exists

    - by Newbie
    I have something like this: var test = {}; function blah() { test[2] = 'filled'; } console.log(test); //result test -> 2:"filled" console.log(test[2]); //result undefined I don't understand why I'm getting 'undefined' in the second instance when according to the first instance, the property of that object clearly exists! Does anyone have any ideas? Thanks

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  • Javascript: Retrieve Object Property Names

    - by Jason
    I'm trying to write a function that needs to know the property names of an object being passed in, like so: var data = { "key1":"value1", "key2":"value2", etc} ^ i want the string value "key1" How do I retrieve the string "key1" from data? I know I can set a property dynamically like data[prop]=value but i want to know what prop is from an object passed in. If that doesn't make sense I suppose I could try to explain more. Thanks! I eventually want to do something like: for (var i = 0; i<data.length; i++) { var name = data[i].getPropertyName() <--- not a real function // do stuff }

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  • Redefine Object.defineProperty in Javascript

    - by kwicher
    I would like to learn if it is possible to redefine the "definePropery" function of the Object(.prototype) in a subclass(.prototype) so that the setter not only sets the value of the property but also eg executes an additional method. I have tried something like that: Myclass.prototype.defineProperty = function (obj, prop, meth) { Object.defineProperty.call(this, obj, prop, { get: function () { return obj[prop] }, set: function () { obj[prop] = n; alert("dev") } }) } But id does not work

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  • traverse a string char by char javascript

    - by mikeandike
    function SimpleSymbols(str) { var letter =['a','b','c','d','e','f','g','h','i','j', 'k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']; var newstr = ""; for (var i = 0; i<str.length; i++){ if (str.charAt(i).toLowerCase() in letter){ newstr += "M"; } else{ newstr += "X"; } } return newstr; } If str is "Argument goes here" it returns XXXXXXXXX. WHy doesn't it return MMMMMMMMMM?

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  • Screenshot IE7 Javascript

    - by boje
    I have tried but i can get this to work with IE7 or Firefox 5.0. I know that google.com/plus have a nice feedback that works in IE7. http://html2canvas.hertzen.com/screenshots.html Is is using canvas but i have but plugins in all. I get a error i first line of this code: var preload = html2canvas.Preload(body, { "complete": function (images) { var queue = html2canvas.Parse(body, images); var canvas = $(html2canvas.Renderer(queue)); var finishTime = new Date(); $("#content").empty().append(canvas); // throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)/1000) + " seconds<br />",4000); } }); So if you have a zip file with a example that are working in IE7 or a example i will be more then happy.

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  • Generating dynamic data using Javascript

    - by methuselah
    Given that I have an array of alphabetical characters: var qwerty = [['q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p'], ['a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l'], ['z', 'x', 'c', 'v', 'b', 'n', 'm']]; How would I present them in three rows like on a conventional keyboard using JS without resorting to something like this: <input type='button' value='Q' id='bt1'/> <input type='button' value='W' id='bt2'/> <input type='button' value='E' id='bt3'/> <input type='button' value='R' id='bt4'/> <input type='button' value='T' id='bt5'/> <input type='button' value='Y' id='bt5'/> <input type='button' value='U' id='bt7'/> <input type='button' value='I' id='bt8'/> <input type='button' value='O' id='bt9'/> <input type='button' value='P' id='bt10'/> <br> <input type='button' value='A' id='bt11'/> <input type='button' value='S' id='bt12'/> <input type='button' value='D' id='bt13'/> <input type='button' value='F' id='bt14'/> <input type='button' value='G' id='bt15'/> <input type='button' value='H' id='bt16'/> <input type='button' value='J' id='bt17'/> <input type='button' value='K' id='bt18'/> <input type='button' value='L' id='bt19'/> <br /> ... Many thanks in advance!

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  • Constructors and method chaining in JavaScript

    - by Sethen Maleno
    I am trying to make method chaining work in conjunction with my constructors, but I am not exactly sure how to go about it. Here is my code thus far: function Points(one, two, three) { this.one = one; this.two = two; this.three = three; } Points.prototype = { add: function() { return this.result = this.one + this.two + this.three; }, multiply: function() { return this.result * 30; } } var some = new Points(1, 1, 1); console.log(some.add().multiply()); I am trying to call the multiply method on the return value of the add method. I know there is something obvious that I am not doing, but I am just not sure what it is. Any thoughts?

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  • How animate stacking divs in javascript/css?

    - by Teiviere
    Say I have 2 divs with the same CSS class that are stacked on top of each other: div { width:100px; height: 100px; background: red; } How do I make it so that when I click a button at the top of the page, a new div is created from off the screen at the bottom and moves upwards stopping where the 2nd div is.. When the button is clicked again, a 4th div moves in from the bottom of the screen and stops where the 3rd div is... etc creating a "stacked" divs effect? I know about position:fixed and adjusting values for top, but I am not sure how to dynamically calculate where to stop the animation to achieve this effect.

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  • about event handle-function in JavaScript

    - by T_t
    hi! In my program,i write like this: function handleFuc( event ){ var a = event.pageX; var b = event.pageY; var tempdiv = document.createElement("div"); tempdiv.onmouseout = function(){ var x = event.pageX; // 1 var y = event.pageY; // } } var div = document.getElementById( "id" ); div.onmouseover = function(){ handleFuc( event ); } now,in function handleFuc, how could i distinguish the two "event"? Thanks! :)

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  • [JavaScript] Checking for multiple images loaded.

    - by Stanni
    Hi, I'm using the canvas feature of html5. I've got some images to draw on the canvas and I need to check that they have all loaded before I can use them. I have declared them inside an array, I need a way of checking if they have all loaded at the same time but I am not sure how to do this. Here is my code: var color = new Array(); color[0] = new Image(); color[0].src = "green.png"; color[1] = new Image(); color[1].src = "blue.png"; Currently to check if the images have loaded, I would have to do it one by one like so: color[0].onload = function(){ //code here } color[1].onload = function(){ //code here } If I had a lot more images, Which I will later in in development, This would be a really inefficient way of checking them all. How would I check them all at the same time?

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  • remove item from array javascript

    - by Red
    I was trying to remove some items from an array , Array.prototype.remove = function(from, to) { var rest = this.slice((to || from) + 1 || this.length); this.length = from < 0 ? this.length + from : from; return this.push.apply(this, rest); }; var BOM = [0,1,0,1,0,1,1]; var bomlength = BOM.length; for(var i = 0; i < IDLEN ;++i) { if( BOM[i] == 1) { BOM.remove(i); //IDLEN--; } } RESULT IS BOM = [0,0,0,1]; expected result is BOM = [0,0,0]; its looks like i am doing something wrong , Please help me. Thanks.

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