frontend

问题 I know that this question may have been asked before but I believe that this awesome community can forgive me for this :) I am developing (Quiz time) app but there's a bug that's is killing me :( When I run this application every and press the lock button it acts as wanted but after a random number of clicks (may be 4 or 2) It stops and gives me this error : Uncaught TypeError: Cannot read property 'quest' of undefined at QuestionReset Here's the code $(document).ready(function () { var

问题 Let's assume that I have three classes: Derived1ViewModel , Derived2ViewModel and BaseViewModel which serves as a superclass for the Derived1ViewModel and Derived2ViewModel . I have a DisplayTemplate which has as a model a List<BaseViewModel> and I would like to call this template from views which are using as a model a List<Derived1ViewModel> or a List< Derived2ViewModel> . If I try to do this, an exception is triggered saying that it cannot convert a List<Derived1ViewModel> or List

问题 I have this project in Plunker https://plnkr.co/edit/3yuS4UKvkrK75Zy2 which shows a table with its column. What I need is building a search lookup function instead of the default filter function, so that ON The List of Values in Mini Filter window and NOT the whole table: If typing the full name Michael then the table will be filtered by Michael, OR if I type the phone number then the name of Michael will be filtered by Michael. in other words. There is a mapping array: valueFilter = [{ key:

问题 I have this project in Plunker https://plnkr.co/edit/3yuS4UKvkrK75Zy2 which shows a table with its column. What I need is building a search lookup function instead of the default filter function, so that ON The List of Values in Mini Filter window and NOT the whole table: If typing the full name Michael then the table will be filtered by Michael, OR if I type the phone number then the name of Michael will be filtered by Michael. in other words. There is a mapping array: valueFilter = [{ key:

问题 I have this project in Plunker https://plnkr.co/edit/3yuS4UKvkrK75Zy2 which shows a table with its column. What I need is building a search lookup function instead of the default filter function, so that ON The List of Values in Mini Filter window and NOT the whole table: If typing the full name Michael then the table will be filtered by Michael, OR if I type the phone number then the name of Michael will be filtered by Michael. in other words. There is a mapping array: valueFilter = [{ key:

问题 I have this project in Plunker https://plnkr.co/edit/3yuS4UKvkrK75Zy2 which shows a table with its column. What I need is building a search lookup function instead of the default filter function, so that ON The List of Values in Mini Filter window and NOT the whole table: If typing the full name Michael then the table will be filtered by Michael, OR if I type the phone number then the name of Michael will be filtered by Michael. in other words. There is a mapping array: valueFilter = [{ key:

问题 I have this example: https://embed.plnkr.co/iUrXZcG14lzhpD5Ofa3z/ which shows a table with its columns, what i need is building a search lookup function instead of the default filter function, so that: if typing the full name michael then the table will be filter by michael, OR if i type the phone number then the name of michael will be filtery by michael. in other word. There is a mapping array: { key: michael, value: michael, tokens:{ michael, mich, ael, +0912312321 }} , { key: natalie,

问题 I am trying to draw a pie chart only using stroke-dasharray and other things like rotate and translate, I am not allowed to use stroke-dashoffset since it is not supported by wkhtmltopdf 0.12.5. I have tried to do something similar to the code below <svg height="20%" width="20%" viewBox="0 0 20 20" style="border:1px solid gray; "> <circle r="10" cx="10" cy="10" fill="white" /> <circle r="5" cx="10" cy="10" fill="bisque" stroke="tomato" stroke-width="10" stroke-dasharray="10.99 31.4" transform

问题 I'm working with basic HTML/CSS frontend, I currently have a landing page with a form on it that sends some data to a database. When the request is done, it is expecting some sort of response. In this case, I am re-rendering the page, however, I want to replace the form with some sort of a thank you message, something so the user knows that it has sent correctly. I have tried the solution of simply having a separate near identical page with the form removed and replaced, however, this kind of

问题 My service allow any HTML documents to be converted to PDF using a POST request. It is mostly used on the backend of my client's server and thus, the API key used for the communication is kept private. Now, I'm thinking of a way to let my client's visitors be able to call my service on behalf of my client API key, without exposing this secure API Key. My main issue here is security. If my client add an XHR POST requests that contains the API key, someone can take that API key and use it for