Recent questions tagged javascript

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javascript - How can I get the height of the baseline of a certain font?

I'm hoping to be able to find the height of the baseline of a piece of text in a div using javascript. I ... How can I do this in javascript? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Circle clip and projection with D3 orthographic

I'm working on this and I'm having trouble with clipping the red circle elements as they appear on the ... circles relative to the screen. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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javascript - AJAX call freezes browser for a bit while it gets response and executes success

I am doing an AJAX call to my webserver which fetches a lot of data. i show a loading image that spins ... it will most likely be removed. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Ember-Data: How do "mappings" work

I'm currently trying to put something together with ember + emberdata + router + asp.net web api. Most of ... different json for a collection? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Add dynamic closed panels in Bootstrap 3 accordion

I use Bootstrap 3 accordion and I need to add dynamic panels into it. I have something like this: +------ ... ($newPanel.fadeIn()); }); JSFiddle See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

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javascript - Python Flask calling functions using buttons

Once the button in my flask template is pressed I'd like it to call a python function defined in app.py that I ... be as detailed as you can. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

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javascript - Cross domain POST query using Cross-Origin Resource Sharing getting no data back

I'm sending data cross domain via a POST request but the response isn't working, specifically, jQuery's success handler ... knows, I'm all ears. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Loading gif image while jQuery ajax is running

I am trying to show a loading image while my ajax call is running, however using the beforeSend attribute is not ... ; } } Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - OpenGraph on Ajax Based Website

I have a Website, which is Fully Ajax-Based (Hash Navigation). Is there a way to refresh Open Graph meta- ... , and there values should Change) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to get error event details in Firefox using addEventListener?

I'm trying to understand why Firefox (I'm using 15 but it's the same even in nightly) is not behaving ... the error details in recent Firefox? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

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javascript - How to get returned a value by a callback function

Here is my code function save_current_side(current_side) { var result; var final = a.b({ callback: ... returned valued by callback function See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

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javascript - How can I dynamically create a tweet button?

I'm currently trying to create a tweet button with the horizontal count feature dynamically: JavaScript var twitter = ... .com/widgets.js"); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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189 views

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javascript - What are some of the problems of "Implied Global variables"?

JavaScript: The Good Parts defines these kinds of declarations as bad: foo = value; The book says "JavaScript ... of typical global variables? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

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javascript - Is there anything faster than setTimeout and requestAnimationFrame?

(I need a process.nextTick equivalent on browser.) I'm trying to get the most out of javascript performance so I made ... : I'm aware of asm.js See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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126 views

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javascript - Find out if html form has changed

Using jquery I've added a change handler to a form. This works when any input is changed BUT only if the ... its inputs are changed by code? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

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javascript - What modernizer scripts exist for the new ECMAScript 5 functions?

ECMAScript 5 has quite a few nice additions. John Resig has a good overview here. Here is a good ECMAScript 5 ... need to use the new functions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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521 views

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javascript - Get frame numbers in HTML5 Video

I am trying to capture each frame number of the video however it looks like there is no way of achieving it. ... the same results. Any help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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220 views

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javascript - protractor - how to get the result of an array of promises into another array

I got an array of promises from this code: element.all(by.repeater('unit in units')), and I am finding it ... Empty console.log(items); }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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152 views

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javascript - Chart.js: evenly distribute ticks when using maxTicksLimit

I made a line chart using Chart.js version 2.1.3. var canvas = $('#gold_chart').get(0); var ctx ... results are still not distributed evenly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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368 views

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javascript - More than 2 buttons on sweetalert 2

I have a sweetalert with 2 buttons but I want to have one more button in it. For example, as of now, I have yes ... " }); }); Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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123 views

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javascript - Chrome adding Origin header to same-origin request

We're POSTing an AJAX request to a server running locally, i.e. xhr.open("POST", "http://localhost: ... Are we misunderstanding the CORS spec? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

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javascript - How do I post parameter on d3.json?

I'm using d3.json to get a dynamic data. d3.json("/myweb/totalQtyService.do", function(json) { drawChart(json); }); ... , err, ex) { } }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

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javascript - Using jQuery to prevent form submission when input fields are empty

The solution should be pretty straightforward. I'm trying to prevent the form from submitting properly when no value is found ... )) === "") ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

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javascript - Multiple files upload and using file reader to preview

<input type='file' name="image" onchange="preview(this);" multiple="multiple" /> window.preview = function ... file reader and append img See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

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javascript - Filter on multiple columns using one pipe angular 2

I am trying to filter Array data based on multiple columns using only one Pipe. Right now, It filters first column ... ],['column3',value3]]. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

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javascript - How to save a jQuery FLOT Graph to a .png or other image format?

I'm using a plugin for Jquery called FLOT http://code.google.com/p/flot/ Once the graph is rendered I want the ... Click</a> </body> </html> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

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javascript - access and change parent page from iframe (with jquery)

is there any way how to access from iframe to parrent page (and change parrent page)? <body> <iframe src=" ... href..> was clicked. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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121 views

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javascript - Play multiple sound at the same time

I want using HTML 5 multiple sound play how do it ? <audio controls="controls"> <source src="audio/(TESBIHAT).mp3 ... /Dombra.mp3" /> </audio> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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