You could do it in node.js with an http request to the page, then screen scrape the page for information. I’m sure they have standard css selectors, so you just look for those with regular expressions and get their values. The code would look something like this (I haven’t tested this code, but riffed on … Read more
You can not pass the JavaScript variable up to PHP to index the $list array. What you can do is to pass the whole array down to JavaScript as JSON encoded and then index into that. See: Convert php array to Javascript 0 solved How to echo a JS variable to php? [duplicate]
When you have a non-refcounting language (which JavaScript isn’t) and doing an assignment (‘=’, resulting in a copy operation) of a big object it can be “slow”. So a check if that copy operation is really necessary can save you a significant amount of time. But JavaScript is a native refcounting language: object1 = {a: … Read more
Find the index of the array element you want to remove using indexOf, and then remove that index with splice. The splice() method changes the contents of an array by removing existing elements and/or adding new elements. const array = [2, 5, 9]; console.log(array); const index = array.indexOf(5); if (index > -1) { // only … Read more
It is working. I have a cookie set. You’re simply not using the correct logic somewhere on the backend to hide the bar. 1 solved javascript not firing on this web page [closed]
This error message means that you accessed the property “all” of the variable document, but this property is, let’s say, deprecated, so should not be used. The console says that you should use a method “getElementById”, which returns the element with given id, on which you can then proceed. To access the element by id … Read more
You want the token [\dRNXB@$]. Add to the ending + if you need it to match 1 or more times or a * if you need it to match 0 or more times. \d is special and matches any digit character. Make sure that if you’re in a context where backslashes are being used for … Read more
Please tell me how can i store the old value of the drop down list. One possibility is to store them in a temporary javascript array using the .map() function: var oldValues = $(‘#myselect option’).map(function() { return { value: $(this).val(), text: $(this).text() }; }); or completely clone the dropdownlist using the .clone() method: var dropdown … Read more
You have given no HTML or any script you have tried yourself as such the below should serve as a good template for you to get started. DEMO – Cascading dropdowns, show managers for selected department Assuming the following HTML <div> <div style=”float: left;”> Select Department <br /> <select id=”departments”></select> </div> <div style=”float: left; margin-left: … Read more
I’m not sure if this is what you mean, but have you had a look at D3? https://github.com/mbostock/d3/wiki/Gallery It is a great library for graphical representations (in svg or on canvas) and it is easy to make it respond to data updates and plays well with jquery. solved Graphical bar presentation using jquery [closed]
You may use the following regex pattern: (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{1,2}(?: \d{4})? var dates = [“Nov 29 2019”, “abc 0 May 30 2020”, “ddd Apr 3 2021 efg”, “0 Jan 3 hellodewdde deded”, “Green eggs and ham”]; var months = “(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)”; var regex = new RegExp(months + ” \\d{1,2}(?: \\d{4})?”); var matches = []; for (var i=0; … Read more
Not sure if this is the most efficient way to do this, but it works for the example provided. This method relies on some relatively newer features of JavaScript, but ES6 is widely supported, so it hopefully won’t be an issue in your case. First, isolate the values in arr1 to be used as the … Read more
Line 1 : Array Declaration.Line 2 : Then you run a loop for a half of the array.Line 3,4,5 : alternating the number like this shown below. Line 6 : Print it in the console window. solved How is it working? Please explain to me line by line [closed]
Without knowing your full requirements, this should get you started. I imagine you are going to want to store the saved/changed text into a database. If this is the case, you need to build upon what is provided below. Hope this helps. Enter Text Here… <?php if( isset( $_POST[‘my_text’], $_POST[‘save’] ) && strlen( $_POST[‘my_text’] ) … Read more
Simple: $(‘div:first’).remove() With check if ($(‘div’).length) > 50) { $(‘div:first’).remove(); } 1 solved Delete first DIV tag in a html document [closed]