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  • Javascript REGEX

    - by Fernando SBS
    <th>Prêmio</th> <td colspan="11"> <div class="res"><img class="r1" src="img/x.gif" alt="Madeira" title="Madeira" />215 | <img class="r2" src="img/x.gif" alt="Barro" title="Barro" />193 | <img class="r3" src="img/x.gif" alt="Ferro" title="Ferro" />192 | <img class="r4" src="img/x.gif" alt="Cereal" title="Cereal" />202</div><div class="carry"><img class="car" src="img/x.gif" alt="carregamento" title="carregamento" />802/1800</div></td></tr></tbody></table><table cellpadding="1" cellspacing="1" class="defender"> <thead> <tr> i'm trying to get "802/1800", but it's driving me insane. if I use: var myregexp = /title="carregamento"/; it works but going to the next step which is: var myregexp = /title="carregamento" \/>/ already returs me null.

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  • Use Javascript RegEx to extract column names from SQLite Create Table SQL

    - by NimbusSoftware
    I'm trying to extract column names from a SQLite result set from sqlite_master's sql column. I get hosed up in the regular expressions in the match() and split() functions. t1.executeSql('SELECT name, sql FROM sqlite_master WHERE type="table" and name!="__WebKitDatabaseInfoTable__";', [], function(t1, result) { for(i = 0;i < result.rows.length; i++){ var tbl = result.rows.item(i).name; var dbSchema = result.rows.item(i).sql; // errors out on next line var columns = dbSchema.match(/.*CREATE\s+TABLE\s+(\S+)\s+\((.*)\).*/)[2].split(/\s+[^,]+,?\s*/); } }, function(){console.log('err1');} ); I want to parse SQL statements like these... CREATE TABLE sqlite_sequence(name,seq); CREATE TABLE tblConfig (Key TEXT NOT NULL,Value TEXT NOT NULL); CREATE TABLE tblIcon (IconID INTEGER NOT NULL PRIMARY KEY,png TEXT NOT NULL,img32 TEXT NOT NULL,img64 TEXT NOT NULL,Version TEXT NOT NULL) into a strings like theses... name,seq Key,Value IconID,png,img32,img64,Version Any help with a RegEx would be greatly appreciated.

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  • get value from css using document.getElementById().style.height javascript

    - by Jamex
    Hi, Please offer insight into this mystery. I am trying to get the height value from a div box by var high = document.getElementById("hintdiv").style.height; alert(high); I can get this value just fine if the attribute is contained within the div tag, but it returns a blank value if the attribute is defined in the css section. This is fine, it shows 100px as a value. The value can be accessed. <div id="hintdiv" style="height:100px; display: none;"> . . var high = document.getElementById("hintdiv").style.height; alert(high); This is not fine, it shows an empty alert screen. The value is practically 0. #hintdiv { height:100px display: none; } <div id="hintdiv"> . . var high = document.getElementById("hintdiv").style.height; alert(high); But I have no problem accessing/changing the "display:none" attribute whether it is in the tag or in the css section. The div box displays correctly by both attribute definition methods (inside the tag or in the css section). I also tried to access the value by other variations, but no luck document.getElementById("hintdiv").style.height.value ----> undefined document.getElementById("hintdiv").height ---->undefined document.getElementById("hintdiv").height.value ----> error, no execution Any solution? TIA.

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  • javascript multiple input textbox validation

    - by murugesan
    I have 'n' number of textbox on a form, after the user enters a value in a textbox, i need to validate its not a duplicate in the other textboxes. Ex : Textbox[0] : 1 Textbox[1] : 2 Textbox[2] : 3 Textbox[4] : 1 For this example it should alert saying that '1' have entered twice. Let me know what to be done.

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  • Javascript functions Math.round(num) vs num.toFixed(0) and browser inconsistencies

    - by eft
    Edit: To clarify, the problem is how to round a number to the nearest integer. i.e. 0.5 should round to 1 and 2.5 shoud round to 3. Consider the following code: <html><head></head><body style="font-family:courier"> <script> for (var i=0;i<3;i++){ var num = i + 0.50; var output = num + " " + Math.round(num) + " " + num.toFixed(0); var node = document.createTextNode(output); var pElement = document.createElement("p"); pElement.appendChild(node); document.body.appendChild(pElement); } </script> </body></html> In Opera 9.63 I get: 0.5 1 0 1.5 2 2 2.5 3 2 In FF 3.03 I get: 0.5 1 1 1.5 2 2 2.5 3 3 In IE 7 I get: 0.5 1 0 1.5 2 2 2.5 3 3 Note the bolded results. Does this mean that toFixed(0) should be avoided?

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  • [SOLVED] javascript insertBefore() Method

    - by Robert
    I'm trying to insert a TH as the first column. But so far always put it at the end of all columns. Any help will be appreciate it. Thanks var someNode = document.createElement("th"); someNode.innerHTML = "Hello"; var sp = document.getElementById("table").getElementsByTagName("thead")[0].getElementsByTagName("tr")[0]; var ref = document.getElementById("table").getElementsByTagName("thead")[0].getElementsByTagName("tr")[0].getElementsByTagName("th")[0]; sp.insertBefore(someNode,ref);

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  • JQuery/JavaScript div tag "containment" approach/algorithm?

    - by Pete Alvin
    Background: I've created an online circuit design application where div tags are containers that contain smaller div containers and so forth. Question: For any particular div tag I need to quickly identify if it contains other div tags (that may in turn contain other div tags). I've searched JQuery and I don't see any built-in routine for this. Does anyone know of an algorithm that's quicker than O(n^2)? Seems like I have to walk the list of div tags in an outer loop (n) and have an inner loop (another n) to compare against all other div tags and do a "containment test" (position, width, height), building a list of contained div tags. That's n-squared. Then I have to build a list of all nested div tags by concatenating contained lists. So the total would be O(n^2)+n. There must be a better way?

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  • Javascript callback with AJAX + jQuery

    - by Fred
    Hey! I have this jQuery code (function () { function load_page (pagename) { $.ajax({ url: "/backend/index.php/frontend/pull_page/", type: "POST", data: {page: pagename}, success: function (json) { var parsed = $.parseJSON(json); console.log(parsed); return parsed; }, error: function (error) { $('#content').html('Sorry, there was an error: <br>' + error); return false; } }); } ... var json = load_page(page); console.log(json); if (json == false) { $('body').fadeIn(); } else { document.title = json.pagename + ' | The Other Half | freddum.com'; $("#content").html(json.content); $('#header-navigation-ul a:Contains('+page+')').addClass('nav-selected'); $('body').fadeIn(); } })(); and, guessed it, it doesn't work. The AJAX fires fine, the server returns valid JSON but the console.log(json); returns undefined and the js crashes when it gets to json.pagename. The first console.log(parsed) also returns good data so it's just a problem with the return (I think). I knew I was clutching at straws and would be extremely if this worked, but it doesn't. To be honest, I don't know how to program callback functions for this situation. Any help is greatly appreciated!

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  • How to Append a div with javascript inside

    - by Damathryx
    I have this <div id="inprog_table"> </div> I tried this to insert var div = document.getElementById('inprog_table'); div.innerHTML = div.innerHTML+ "<div class='row'> <div class='col-xs-7'> "+ $(".row.active .col-xs-7 p:first-child").text()+" </div> <div class='col-xs-2'> "+ $(".row.active .col-xs-7 p:last-child").text()+" </div> <div class='col-xs-2'> 1 </div>" inside inprog_table div. I know it's really wrong, but I don't know how to append all of this.

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  • merging javascript arrays for json

    - by Nat
    I serially collect information from forms into arrays like so: list = {"name" : "John", "email" : "[email protected]", "country" : "Canada", "color" : "blue"}; identifier = "first_round"; list = {"name" : "Harry", "email" : "[email protected]", "country" : "Germany"}; identifier = "second_round"; I want to combine them into something (I may have braces where I need brackets) like: list_all = { "first_round" : {"name" : "John", "email" : "[email protected]", "country" : "Canada", "color" : "blue"} , "second_round" : {"name" : "Harry", "email" : "[email protected]", "country" : "Germany"} }; so I can access them like: alert(list_all.first_round.name) -> John (Note: the name-values ("name", "email", "color") in the two list-arrays are not quite the same, the number of items in each list-array is limited but not known in advance; I need to serially add only one array to the previous structure each round and there may be any number of rounds, i.e. "third-round" : {...}, "fourth-round" : {...} and so on.) Ultimately, I'd like it to be well-parsed for JSON. I use the jquery library, if that helps.

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  • javascript table - update on data request

    - by flyingcrab
    Hi, I am trying to update a table based on a json request. The first update / draw works fine - but any subsequent changes to the variables (the start and end date) do not show up - even though the json pulled from the server seems to be correct (according to firebug). AFAIK the code below should re-initialize everything - no sure what is going on (I'm using the Google vizulization api)? function handleQueryResponse(response) { if (response.isError()) { //alert('Error in query: ' + response.getMessage() + ' ' + response.getDetailedMessage()); return; } visualization = new google.visualization.Table(document.getElementById('visualization')); visualization.draw(response.getDataTable(), null); } One more thing: I'm working on a page that displays textbased tables and currently trying to decide between the google table (viz api) and a jQuery alternative I came across jqGrid any good ones I am missing?

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  • regex and javascript, some matches disappear !

    - by dader51
    Here is the code : > var reg = new RegExp(" hel.lo ", 'g'); > > var str = " helalo helblo helclo heldlo "; > > var mat = str.match(reg); > > alert(mat); It alerts "helalo, helclo", but i expect it to be "helalo, helblo, helclo, heldlo" . Only the half of them matches, I guess that's because of the space wich count only once. So I tried to double every space before processing, but in some case it's not enough. I'm looking for an explanation, and a solution. Thx

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  • Storing DOM reference elements in Javascript array

    - by webzide
    Dear experts, I was trying to dynamically generate DOM elements using JS. I read from Douglas Crockford's book that DOM is very very poorly structured. Anyways, I would like to create a number of DIVISION elements and store the reference into an array so it could be accessed later. Here's the code for(i=0;i<3;i++){ var div=document.body.appendChild(document.createElement("div")); var arr=new Array(); arr.push(div); } Somehow this would not work..... There is only 1 div element created. When I use the arr.length to test the code there is only 1 element in the array. Is there another way to accomplish this. THanks in advance

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  • javascript get child by id

    - by Senica Gonzalez
    <div onclick="test(this)"> Test <div id="child">child</div> </div> I want to change the style of the child div when the parent div is clicked. How do I reference it? I would like to be able to reference it by ID as the the html in the parent div could change and the child won't be the first child etc. function test(el){ el.childNode["child"].style.display = "none"; } Something like that, where I can reference the child node by id and set the style of it. Thanks.

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  • JavaScript Loop and wait for function

    - by Fluidbyte
    I have a simple single-dimension array, let's say: fruits = ["apples","bananas","oranges","peaches","plums"]; I can loop thru with with $.each() function: $.each(fruits, function(index, fruit) { showFruit(fruit); }); but I'm calling to another function which I need to finish before moving on to the next item. So, if I have a function like this: function showFruit(fruit){ $.getScript('some/script.js',function(){ // Do stuff }) } What's the best way to make sure the previous fruit has been appended before moving on?

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  • asp classic and javascript to check for session status

    - by StealthRT
    Hey all, i am in need of some help with trying to figure out how to go about checking the users session and seeing if they are still logged in or not. The problem being is because i have a static page that pretty much loads everything into "tabs" using jquery. So when they use navigates the page, it really never leaves that same page they started out on. Hints my problem in trying to determine if they are still logged in or not when they click on update their information on their profile or whatnot. Any suggestions/help would be great! :o) David

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