javascript

[Solved] Does not work java script for more than one element

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firstly I found java script Part with id = “demo-select2-1” in theme’s scripts then I redefine same function with New Name and use new id in other DropDownListFor: @Html.DropDownListFor(model => model.MemberInstance.MemberType_Id, new SelectList(Model.MemberTypeList, “Id”, “Title”), new { @id = “demo-select2-1”, @class = “form-control” }) @Html.DropDownListFor(model => model.SurgeryInstance.SurgeryType_Id, new SelectList(Model.SurgeryTypeList, “Id”, “SurgeryTitle”), new { @id = … Read more

[Solved] What do querySelectorAll and getElementsBy* methods return?

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Your getElementById code works since IDs have to be unique and thus the function always returns exactly one element (or null if none was found). However, the methods getElementsByClassName, getElementsByName, getElementsByTagName, and getElementsByTagNameNS return an iterable collection of elements. The method names provide the hint: getElement implies singular, whereas getElements implies plural. The method querySelector … Read more

[Solved] Using fetch with Passport gets “No ‘Access-Control-Allow-Origin’ header is present on the requested resource.”

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OK this is an open issue with Passport: https://github.com/jaredhanson/passport/issues/582#issuecomment-506283986 I should use the href and not fetch. Possible duplicate of Cors error when sending request from React frontend to Google Oauth PassportJS on backend solved Using fetch with Passport gets “No ‘Access-Control-Allow-Origin’ header is present on the requested resource.”

[Solved] OnClick Event gets fired twice

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You have to use event.stopPropagation() that stop the event propagation to the parent tree. Try the FIDDLE, As you have not provide the $get implementation, i have coded as a mock function like below function $get(idselector) { alert(‘$get’); return $(‘#’ + idselector); } function ABCDEF(event, object) { alert(‘ABCDEF’); event.stopPropagation(); // try commenting this will reproduce … Read more

[Solved] JavaScript pull data from HTML table cell to input [closed]

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const myInput = document.querySelector(‘#myInput’); const cells = document.querySelectorAll(‘#myTable tr td’); cells.forEach(el => el.addEventListener(‘click’, (e) => myInput.value = e.currentTarget.innerText) ); This is assuming html like the following: <input type=”text” id=”myInput” value=”” /> <table id=”myTable”> <tr> <td>1</td> <td>2</td> <td>3</td> </tr> <tr> <td>4</td> <td>5</td> <td>6</td> </tr> </table> Update (Breakdown of what we are doing above): All we are … Read more

[Solved] Sort Arrays By Their Length

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var a = [“a”, “a”]; b = [“b”, “b”, “b”, “b”], c = [“c”, “c”, “c”], d = [“d”], container = [a, b, c, d]; ​container.sort(function (a, b) { return b.length – a.length; }); console.log(container); container will be sorted from longest (most elements) to shortest (least number of elements). Access it as: container[0] // longest … Read more

[Solved] Removing a class from value in an tag

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Basic idea //using string instead of reading value of the input aka var str = $(“.foo”).val(); var str = “2 + 5 = <span class=”emphasis”>7</span>”; //convert the string to html var temp = $(“<div>”).html(str); //find the span and unwrap it temp.find(“.emphasis”).contents().unwrap(); //get the html string without the span var updated = temp.html(); //display it console.log(updated); … Read more