jquery

问题 I have a form with different input fields.So for very minute , the data entered by the user needs to be automatically stored in the database. Once the request is submitted , it will be directed to the struts file where the database interactions will be carried out . What i have tried, I had set the timeout function to run every time the page is loaded var timer; $(document).ready(function() { timer = setTimeout("autosave()", 60000); }); And in the autosave function , i am trying to post the

问题 I have a file upload field, that can select and upload multiple files, I am using jquery Validate plugin for field validations, for single file upload I can successfully make use of this plugin feature, but I have no idea how to use this with multi file upload filed, Here is my html <input type="file" required="" name="design_src[]" multiple id="design_src" /> For Single file upload I am using below js, and works as intended :> $('#myForm').validate({ rules: { design_src: { required: true,

问题 For one of my webshops im trying to achieve the following: All of the products in the webshop have variations. For example Product X can be ordered in the color RED but also in the color BLACK. Now im trying to set an additional price in WooCommerce for example the color Black. Color RED - No additional costs Color Black- Additional cost €30 How can i set this additional cost in WooCommerce? I can only set a total price for a product variation. How can i display these additional costs in the

问题 I have a file upload field, that can select and upload multiple files, I am using jquery Validate plugin for field validations, for single file upload I can successfully make use of this plugin feature, but I have no idea how to use this with multi file upload filed, Here is my html <input type="file" required="" name="design_src[]" multiple id="design_src" /> For Single file upload I am using below js, and works as intended :> $('#myForm').validate({ rules: { design_src: { required: true,

问题 I have a file upload field, that can select and upload multiple files, I am using jquery Validate plugin for field validations, for single file upload I can successfully make use of this plugin feature, but I have no idea how to use this with multi file upload filed, Here is my html <input type="file" required="" name="design_src[]" multiple id="design_src" /> For Single file upload I am using below js, and works as intended :> $('#myForm').validate({ rules: { design_src: { required: true,

问题 For one of my webshops im trying to achieve the following: All of the products in the webshop have variations. For example Product X can be ordered in the color RED but also in the color BLACK. Now im trying to set an additional price in WooCommerce for example the color Black. Color RED - No additional costs Color Black- Additional cost €30 How can i set this additional cost in WooCommerce? I can only set a total price for a product variation. How can i display these additional costs in the

问题 I have an array with key value pairs. var array=[ {Key:"Name",Value:"Sam" }, {Key:"Marks",Value:"50"}, {Key:"Subject",Value:"English"}, ]; I want to push Value of object whose Key is 'Subject' into a variable. I tried to see how Value can be accessed but failed at the very first step. How can this be done? for (var key in array[0]) { console.log(key[i].Value); //error: Cannot read property 'Value' of undefined } How can I push Value of object whose Key is 'Subject' into a variable? 回答1: Your

问题 I have an array with key value pairs. var array=[ {Key:"Name",Value:"Sam" }, {Key:"Marks",Value:"50"}, {Key:"Subject",Value:"English"}, ]; I want to push Value of object whose Key is 'Subject' into a variable. I tried to see how Value can be accessed but failed at the very first step. How can this be done? for (var key in array[0]) { console.log(key[i].Value); //error: Cannot read property 'Value' of undefined } How can I push Value of object whose Key is 'Subject' into a variable? 回答1: Your

问题 EDIT (more specific): I have the following situation. I am building an experimental synthesizer interface with JavaScript. I am using the howler.js plugin to handle audio. The idea is that a sound is played if a certain condition is met. I have a number stored variable whose value changes via the heading of an iPhone compass . I use compass.js. It has a variable called heading. $(function(){ Compass.watch(function (heading) { $('.degrees').text(Math.floor(heading) + '°'); $('#rotate').css('

问题 Why the following is not working? Apparently the function isn't being added! function activatetypeinput(event, devtype){ //The function is called but it doesn't set the attribute var dev_input = document.getElementById("device_input"); dev_input.setAttribute("onclick","add_device_input(event, this);"); } In my HTML I have something like this (among other things): <select class="text-input" id="device_input"> <option>--</option> </select> 回答1: Problem "Why the following is not working?