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  • Sending mail using Javascript

    - by user146780
    Here's what I'm trying to do. I want to use Java Script to send an email. I have created a form with a subject text field, a message field, and a send button. I want for when the person clicks Send that it sends the email, but I want to avoid server side scripting. Thanks

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  • javascript - query object graph?

    - by Scott
    Given an object like this: var obj = { first:{ second:{ third:'hi there' } } }; And a key like this "first.second.third" How can I get the value of the nested object "hi there"? I think maybe the Array.reduce function could help, but not sure.

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  • javascript / jQuery variable problem (possibly caching issue)

    - by waitinforatrain
    Standard AJAX query with jQuery: var globalTitle = ""; var pages = ["a", "b", "c"]; for (var i = 0; i < pages.length; i++) { createpage(pages[i]); } function createpage(title) { globalTitle=title; console.log (globalTitle); //All looks good here $.ajax({ url: "createpage.php?id=" + title, context: document.body, success: success }); } The success() function uses globaltitle which is why I had to declare it global. In the success() function though console.log (globalTitle); constantly gives me "a". It's like the variable is assigned but is then cached every time success() is called. Happens in FF 4 and Chrome 8. Any thoughts?

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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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  • Form validation in JAvascript with Regexp

    - by Nikita Barsukov
    I have a webpage with an input field where only digits are allowed. The input field has an onkeyup event that starts this validating function: function validate() { var uah_amount = document.getElementById("UAH").value; var allowed = /^\d+$/; document.getElementById("error").innerHTML = document.getElementById("UAH").value; if (!allowed.test(uah_amount)) { document.getElementById("error").style.backgroundColor = "red"; } } Everything works as I expect until I hit Backspace button to remove some characters. In this case function always behaves as if I entered letters. How to correct this?

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  • Javascript serialization

    - by John
    Have I any chance to serialize meta (any format, so I can store it in DB)? var obj1 = {}; var obj2 = {}; obj1.link = obj2; obj2.link = obj1; var meta = [obj1, obj2]; As I understand the problem is that JSON serialize object`s links to objects.

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  • JavaScript OOP problem

    - by Danmark
    I create windows like this: var obj = document.createElement('div'); obj.className = 'window'; obj.style.width = 300 + 'px'; obj.style.height = 200 + 'px'; obj.style.left = 30 + 'px'; obj.style.top = 200 + 'px'; //and so on and what I need is to attach some data to each window. The data will be grabbed via Ajax and displayed in the windows. How should I do it so that each window hold its own unique data? I don't need to display the whole data every time and this data would need be organized before being displayed, so I can't just add it with innerHTML. I need a way to hold it somewhere else where I could easily get it and then display it with innerHTML.

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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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  • javascript Programmically exit fullsreen

    - by Mark
    I understand why browsers would disallow websites from programically making the browser fullscreen. However, users typically expect the 'esc' button to exit from full screen, and browsers simply don't do that. Is there any way to get the browser to exit from full screen. Thanks.

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  • javascript var declaration within loop

    - by Trouts
    hello, /*Test scope problem*/ for(var i=1; i<3; i++){ //declare variables var no = i; //verify no alert('setting '+no); //timeout to recheck setTimeout(function(){ alert('test '+no); }, 500); } it alerts "setting 1" and "setting 2" as expected, but after the timeout it outputs "test 2" twice - for some reason the variable "no" is not reset after the first loop... i've found only an "ugly" workaround... /*Test scope problem*/ var func=function(no){ //verify no alert('setting '+no); //timeout to recheck setTimeout(function(){ alert('test '+no); }, 500); } for(var i=1; i<3; i++){ func(i); } Any ideas on how to workaround this problem in a more direct way? or is this the only way?

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  • how to change two div-positions on click with javascript

    - by flp
    hi folks, i got a webpage with some "cards" (divs) layin on it. they are positioned in a star-like order, flowing to the background. i want to bring cards from the background to the middle-foreground bei clicking on it (to focus the card "contact" for instance). how can i realize this? is there any script which is already containing a function like this?

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  • javascript url parsing

    - by Ra
    Hi, I have a url like http://mywebsite.com/folder1/folder2/index how to parse this above url and get all the values separately? I want the output like http, mywebsite.com, folder1, folder2, index Thanks in adavance

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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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  • javascript - Google Chrome cluttering Array generated from .split()

    - by patrick
    Given the following string: var str = "one,two,three"; If I split the string on the commas, I normally get an array, as expected: var arr = str.split(/\s*,\s*/); Trouble is that in Google Chrome (for Mac), it appends extra properties to the array. Output from Chrome's debugger: arr: Array 0: one 1: two 2: three constructor: function Array() index: undefined input: undefined length: 3 So if I iterate over the array with a for/in loop, it iterates over the new properties. Specifically the input and index properties. Using hasOwnProperty doesn't seem to help. A fix would be to do a for loop based on the length of the Array. Still I'm wondering if anyone has insight into why Chrome behaves this way. Firefox and Safari don't have this issue.

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  • Javascript plugin creation

    - by Aneesh
    I want to create a plugin called 'myPlugin'. Which method should I use and what is the difference between these two methods? Please tell me the advantages too. I am from designing background and not much programming knowledge. var myPlugin = { myId:"testId", create:function(){}, destroy:function(){} } OR function myPlugin() { this.myId = "testId"; this.create = function(){}; this.destroy = function(){}; }

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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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  • 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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  • javascript:anchor tag problem

    - by Raam
    function main(){ var delImage=document.createElement("img"); delImage.setAttribute("alt","Edit"); delImage.setAttribute("src","drop.png"); var position=newRow.rowIndex; var typeElem=document.createElement("a"); typeElem.setAttribute("name","delete"); typeElem.setAttribute("href","#"); typeElem.appendChild(delImage); typeElem.setAttribute('onclick',"delete(position)"); newRow.insertCell(lastCell).appendChild(typeElem); } function delete(pos){ alert(pos); } i am not able to call the delete function when anchor tag was clicked...what can i want to change to achieve this?

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  • make selectable area using javascript

    - by Mher
    lets say I have a html page. <html> <body> ... This is my HTML Page, full of html objects and mouse events on them ... <div id='blocker' style="height: 100%; position: absolute; width: 100%; top: 0px; left: 0px; right: 0px; bottom: 0px; z-index: 1001; background: none repeat scroll 0% 0% black; opacity: 0.5;"></div> <div id='window_to_my_html_page' style="display: block; left: 50px; top: 50px; width: 200px; height: 200px; z-index: 1002; position: absolute;"></div> </body> </html> In this example div which id is 'blocker' will block all mouse events from my page. All my HTML page elements behind of my second div(which id is 'window_to_my_html_page') must be active, all mouse events must work on them, this div must be like a window to my HTML page I want to make all elements from my HTML page active(to work as normal) inside this area (left: 50px; top: 50px; width: 200px; height: 200px).... and other content, outside of this area make inactive The question: how can I do it?

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  • Javascript: adding methods using prototype descriptor

    - by LDK
    Sorter.prototype.init_bubblesort = function(){ console.log(this.rect_array); this.end = this.rect_array.length; this.bubblesort(); } Sorter.prototype.init = function(array,sort_type){ this.rect_array = array; this.init_bubblesort(); } The code above works as expected, but when I change the init function to: Sorter.prototype.init = function(array,sort_type){ var sort_types = {'bubblesort':this.init_bubblesort, 'quicksort':this.init_quicksort, 'liamsort':this.init_liamsort}; this.rect_array = array; sort_types[sort_type](); } the init_bubblesort function results in an error saying this.rect_array is undefined. I'm trying to wrap my head around why init_bubblesort no longer as access to it's instance's variables.

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  • Web Application Architecture (ASP.NET 3.5,JavaScript)

    - by Niv
    hey all , background - I'm using an activx that allow me to access some information on the client side, By using the activex events and callback i'm updating server side from client. i wrote a user control that register all activex's events so when one of the events occuer there is a callback to the server that handle this event. I need to write some other user controls based on this control so on every callback this user controls will be render on the client side. My question is - what is the best way to make a shared infrastructure that handle this events and render the right content base on user controls? is there any other ways i can use ? thanks!

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