Recent questions tagged Javascript

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javascript - How to open an app if installed through a webpage in Safari?

We have an app, lets call it: xyz_app for which I have a custom URL scheme in form of xyz_app://. We ... user to the mobile website instead ? 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 - Backbone.js views - binding event to element outside of "el"

The 2nd answer to this question nicely explains how event declarations in Backbone.js views are scoped to the view ... way of achieving this? 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 use the D3 diagonal function to draw curved lines?

I looked at sample http://bl.ocks.org/mbostock/raw/4063570/: It produces nice merged lines from source target from ... there a trick to do this? 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 color row on specific value in angular-ui-grid?

I'm trying to color a row depending on it's value in the new angular-ui-grid 3.0 rc12 but I haven't been ... grid (ui-grid.info) Thanks a lot! 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 - AngularJS ngcontroller to be reloading data periodically

I have this working implementation af a angularJS app which fetches some links from an URL and paint them. However the ... a> </div> </div> See Question&Answers more detail:os...

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

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207 views

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javascript - jquery datepicker not working on dynamically created html

I'm creating dynamically a couple of div with inner controls. Two of those controls should be datepickers. But ... datepicker is not showing up? 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 do I use the window object in ReactJS?

I want to load the Google APIs client library inside my index.html and the onLoad='someMethod' will invoke a ... similar to the window object. 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 - ReactJS, find elements by classname in a React Component

I've a React component. Some elements will be inserted through the children. Some of these elements will have ... are inserted in my component. 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 - AngularJS: When to pass $scope variable to function

I am using the TodoMVC app to get better with the AngularJS framework. In the index.html on lines 14-16 you ... there a deeper logic being used? 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 - Slow response when the HTML table is big

I am using JavaScript to generate a HTML table of 4 columns, but when the table became very large (e.g. more than ... :scale(0);transform:scale(0)} #tables:focus{outline:none} ::...

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

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148 views

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javascript - Anonymous function vs normal function

Just out of interest, are there any speed/functionality differences between function foo(bar) { alert("foo" + bar); } and ... ("foo" + bar); }; 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 - atob not working in IE

I am trying to use atob for converting base64 encoded data to string. I found its working fine in Mozilla and ... to make this work in IE See Question&Answers more detail:os...

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

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513 views

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javascript - Timing in JS - multiple setIntervals running at once and starting at the same time?

Let's say I have a function: myFunc = function(number) { console.log("Booyah! "+number); } And I want it to ... time so that they are in sync? See Question&Answers more detail:os...

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

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206 views

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javascript - Right Click Menu using React JS

I'd like to know if there is a best practice/correct way to setup a right-click menu for a React ... would be greatly appreciated, 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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320 views

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javascript - jQuery AJAX fires error callback on window unload - how do I filter out unload and only catch real errors?

If I navigate away from a page in the middle of an $.ajax() request it fires the error callback. I've ... when receiving a 500/bad request.) See Question&Answers more detail:os...

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

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495 views

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javascript - Google Maps: Polygon and Marker Z-Index

I have a Google Map with many markers (yellow circles), and I implemented a tool to draw polygons over the ... bring the polygon to the front? 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 - Recenter a Google map after container changed width

I have a google map set with the Javascript API V3. It's displayed in a div with a dynamic width, as a content ... . Any ideas ? Thanks a lot ! See Question&Answers more detail:os...

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

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347 views

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javascript - Accessing PropTypes via the main React package is deprecated

I'm using redux but when I run my code I have this error: Accessing PropTypes via the main ... default connect(mapStateToProps)(Scoreboard); See Question&Answers more detail:os...

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

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592 views

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javascript - Vue.js Input field loses its focus after entry of one character

I have a view with an input field, which can be multiplicated by a given button. The problem is that after any ... .something[index]"/> </div> See Question&Answers more detail:os...

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

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171 views

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javascript - JQuery - get all fileNames inside input='file'

I have <input type="file" id="basicUploadFile" multiple="multiple"> and I want to get all file names inside this ... How can I do this? 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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261 views

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javascript - How to check if JSON return is empty with jquery

$.getJSON(url, function(json) { var output = ''; $.each(json, function(i,d) { if(d.DESCRIPTION == 'null ... to me what's wrong with this? 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 - Create Simple Dynamic Array

What's the most efficient way to create this simple array dynamically. var arr = [ "1", "2", "3", "4", ... 10 from a variable var mynumber = 10; See Question&Answers more detail:os...

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

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177 views

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javascript - How to convert JS Object to Array

I need to convert a hash map { "fruit" : ["mango","orange"], "veg" : ["carrot"] } to [ { "type" : "fruit" ... ["carrot"] } ] how do I do that?? See Question&Answers more detail:os...

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

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236 views

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javascript - How would you check for undefined property in ejs for node.js?

What is the best way to check for an undefined property in an ejs template? (I'm using the node.js package by ... why does it throw this error? See Question&Answers more detail:os...

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

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554 views

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javascript - React hook useEffect runs continuously forever/infinite loop

I'm trying out the new React Hooks's useEffect API and it seems to keep running forever, in an infinite loop! I only ... > <div id="app"></div> See Question&Answers more detail:os...

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

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237 views

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javascript - jquery.ajax Access-Control-Allow-Origin

So here is my call: $.ajax({ url: url, headers: { 'Access-Control-Allow-Origin': '*' }, crossDomain ... way, that would be greatly appreciated See Question&Answers more detail:os...

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

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181 views

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javascript - Difference between statement and function

It's almost midnight and I just got a question in my head is "for loop" a statement or a ... difference between function and statement? 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 - Passing js object as json to jquery?

I have the following but it's not working, I read somewhere on the stackoverflow that it works like this but I can't ... alert('error'); } }); See Question&Answers more detail:os...

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

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