getelementbyid

Get element value inside iframe which is nested inside Frame in javascript?

▼魔方 西西 提交于 2020-01-09 03:52:24
问题 I main php page in which there are 2 frames. Inside the second frame there is iframe. I want to access value of element on iframe document from the 1st frame. I tried like this: var frame1 = parent.frames[1]; var frame2 = frame1.document.getElementsByTagName('iframe')[0]; var eleValue =frame2.contentWindow.document.getElementById("MyElement").value; but I am not receiving any value though it is there. var frame1 = parent.frames[1]; alert(frame1.name); var frame2 = frame1.document

“getElementById not a function” when trying to parse an AJAX response?

最后都变了- 提交于 2020-01-08 22:40:25
问题 I'm running GM_xmlhttpRequest (in a Greasemonkey script) and storing the responseText into a newly created HTML element: var responseHTML = document.createElement('HTML'); ... onload: function() { responseHTML.innerHTML = response.responseText; } And then I am trying to find an element in responseHTML : console.log(responseHTML.getElementsByTagName('div')); console.log(responseHTML.getElementById('result_0')); The first works fine, but not the second. Any ideas? 回答1: getElementById is not a

document.getElementById() is always returning null

泪湿孤枕 提交于 2020-01-05 07:43:12
问题 I'm trying to get the value of a hidden input from a form in my HTML, using javascript. But after trying several different ways to get the value, it always says in console(firebug) that the variable is null.. heres the javascript: var mcq_test = form.mcq_test.value; console.log("mcqid=" + mcq_test) var mcq_num_questions = form.mcq_num_questions.value; console.log("totalquestions=" + mcq_num_questions) var x = 1; var send = []; send.push("mcq_test="); send.push(mcq_test); console.log("Send: "

can I show a specific part of a page using document.getElementById(href)?

不打扰是莪最后的温柔 提交于 2020-01-03 03:29:27
问题 if I have a page called "content page": <body > <p id="part1">Tread ... inch. </p> <p id="part2">Tread ... inch. </p> <p id="part3">Tread ... inch.</p> </body> and another page with this java script(code in close icon doesn't appear ). <head> <script type="text/javascript" src="popupBox.js"></script> </head> <body> show content of part one : <a href="TreadDepth.html" onClick="return show_hide_box(this,400,400,'2px solid')">Click Here</a>. show content of part two : <a href="TreadDepth.html"

Referring to a div inside a div with the same ID as another inside another

前提是你 提交于 2020-01-01 19:49:34
问题 How can I refer to a nested div by id when it has the same id as a div nested in a similarly named div eg <div id="obj1"> <div id="Meta"> <meta></meta> </div> </div> <div id="obj2"> <div id="Meta"> <meta></meta> </div> </div> I want to get the innerHTML of meta document.getElementById('obj1').getElementById('Meta').getElementsByTagName('meta') doesn't work 回答1: IDs should only be used when there is one of that item on the page, be it a SPAN, DIV or whatever. CLASS is what you should use for

getElementById not finding control generated by ASP.net

余生长醉 提交于 2020-01-01 01:54:27
问题 I am simply trying to store a label in a variable in javascript but for some reason this isn't working with document.getElementById('control'); . I know my javascript is linking to my html file fine because everything else works. Here is my javascript code: function performEvapCooledCircuit(txt) { var error = document.getElementById('lblError'); if (txt.value == null || isNaN(txt.value)) { error.style.visibility = "visible"; } } Here is the html code for my label: <asp:Label ID="lblError"

Change the Value of h1 Element within a Form with JavaScript

梦想与她 提交于 2019-12-31 12:57:11
问题 I have two forms on an HTML5 page. Each form has a name and an id. The second form has an h1 element, which also has a name and an id. How do I change the text of this h1 element on the second form using plain JavaScript? 回答1: Try: document.getElementById("yourH1_element_Id").innerHTML = "yourTextHere"; 回答2: You can use this: document.getElementById('h1_id').innerHTML = 'the new text'; 回答3: document.getElementById("myh1id").innerHTML = "my text" 回答4: You may try the following: document

getElementById from another page

吃可爱长大的小学妹 提交于 2019-12-31 01:47:30
问题 I am trying to get one div from one webpage URL to another webpage and display in plain text using getElementById without using AJAX or jQuery because I'm going to implement it in FitNesse. Is there a way to pass the URL? 回答1: You could load the URL in a hidden iframe. Then use iframe.contentWindow.document.getElementById($id) as outlined here: How to pick element inside iframe using document.getElementById Something along the lines of: <iframe src="urlWithinYourDomain.html" style="display

document.getElementById to include href

半城伤御伤魂 提交于 2019-12-30 07:41:34
问题 <script type="text/javascript"> document.getElementById("IDOFELEMENT"); </script> What is the correct way to turn this into a link? Can I write <script type="text/javascript"> document.getElementById("IDOFELEMENT").href("http://www.address.com"); </script> Many thanks. 回答1: javascript: // this changes the href value<br> document.getElementById("IDOFELEMENT").href = "http://www.address.com"; and the html: <a href="www.toBeChanged.com" id="IDOFELEMENT">To Website< /a> 回答2: You should specify

Choose element by partial ID using Selenium with python?

a 夏天 提交于 2019-12-30 03:27:11
问题 I am trying to reach an web element in Selenium in Python 2.7. The element ID is like this: cell.line.order(240686080).item(250444868).unitCost The first number string '240686080' is known, but the second number '250444868' is unknown beforehand. I tried to reach it by something like this. from selenium import webdriver driver = webdriver.Firefox() driver.get("somewebsite.com") driver.find_elements_by_id('input.line.order(240417939).item('+ '\d{9}'+').unitCost') So my questions is, is there