Recent questions tagged JavaScript

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javascript - How to add alpha filter to any HTML element and keep the other filters in IE?

If I have this HTML <img src="aaa.png" id="a" style="filter: alpha(opacity=100)"/> Then this ... like pure javascript (not jQuery) solution See Question&Answers more detail:os...

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

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974 views

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javascript - Find and replace text in multiple Photoshop files?

Let us say I have six Photoshop files: 1.psd, 2.psd, ..., 6.psd. All of these files contain the word " ... for one document at once... 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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898 views

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javascript - jquery select dropdown ignores keydown event when it's opened?

I'm trying to prevent backspace button to go one page back in every browser. For now I'm using this code: ... ? Thank you for your answers. See Question&Answers more detail:os...

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

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738 views

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javascript - Customizing text cursor in contenteditable element

Is it possible to customize blinking text cursor in a contenteditable="true" div tag? Something like getting cursor ... , or any other trick? See Question&Answers more detail:os...

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

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706 views

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javascript - What is the difference between $(this) and this

I have the following code $('a').click(function() { var url= this.href; alert(url); }); This works just ... am banging my head for 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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636 views

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javascript - Maps Api V3: getCenter() and getZoom() not working

In the Google Maps API V3, I've created a map object: map = new google.maps.Map(document.getElementById(" ... { content: contentString }); } See Question&Answers more detail:os...

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

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567 views

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javascript - Why does TypeScript not throw an error when the function argument type is mismatched?

Here's a very basic example to demonstrate what I mean: type Payload = { id: number; } type ... the function argument type Payload? See Question&Answers more detail:os...

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

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785 views

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javascript - Help in double precision addition

I was testing some of my code, in javascript I added .1+.2 and it gives me .30000000000000004 instead of .3 . I ... I don't know what it is. See Question&Answers more detail:os...

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

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1.5k views

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javascript - useContext() returns undefined

I'm running into an issue which is super frustrating and I can't figure out whats going on. I have a ... help 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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697 views

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javascript - Dynamically create object keys in IE 11 (Expected identifier, string or number, not a comma issue)

I'm looking for a solution that creates object keys (is that worded correctly?) dynamically. Arbitrary example, ... create object keys 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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1.4k views

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javascript - jQuery - OnClick, change background color for table cells always when clicked

For example: You have a table, and it has 4 tds and 2 trs. Table's background color is white. If i click to A td ... ', '#aaa') } ); } ); See Question&Answers more detail:os...

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

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795 views

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javascript - Resize image map on window resize

I'm trying to resize an image map on window resize event. The closest I've gotten is to use a mouseclick ... be appreciated! Thank you, Rich See Question&Answers more detail:os...

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

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832 views

1 answer

javascript - Jstree nodes don't work when ui plugin is used

I've found that using the ui plugin breaks the links for the tree nodes. This isn't anything new, I've ... expected. Does anyone have any ideas? See Question&Answers more detail:os...

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

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922 views

1 answer

javascript - When using querySelectorAll, is there a way to reference the immediate children of the context node, without using IDs?

Say I have an HTML structure like <div id="a"> <div id="b"> <div id="c"></div> </div> </div> To ... root div but that seems like an ugly hack... See Question&Answers more detail:os...

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

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719 views

1 answer

javascript - Getting value from returned promise from async function

I'm getting used to the proposed async/await syntax and there's some unintuitive behavior. Inside the "async" function, ... stage-0", "react"] } See Question&Answers more detail:os...

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

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846 views

1 answer

javascript - Render async component in React Router v4

I want to render a component based on the payload it receives from an api like below <Route path="/foo/bar" render= ... when I do wrap Baz in [] See Question&Answers more detail:os...

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

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827 views

1 answer

javascript - Jquery filter array of object with loop

I have an array of objects like this: myArray = [ {label: "a", value: "100"}, {label: "b", value: "101" ... array of values. How can 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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1.2k views

1 answer

javascript - ionic 2 ion-datetime ISO Format issue

I am using ion-datetime for my appointment form. While inserting it is working fine without any problem. But when ... .w3.org/TR/NOTE-datetime See Question&Answers more detail:os...

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

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718 views

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javascript - jQuery TypeError: $ is undefined

I'm trying to use the iCheck plugin and I'm new to JQuery and javaScript. I'm getting an error in the browser that ... } </style> </head> <body> See Question&Answers more detail:os...

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

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946 views

1 answer

javascript - Omit the file extension, ES6 module NodeJS

I'm trying to get a handle on Node and ES modules. Specifically how/if you can omit the file extension ... this condition enabled with NodeJS? See Question&Answers more detail:os...

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

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701 views

1 answer

javascript - Object properties dynamic delete

I am curious about an improved way to dynamically delete properties from a javascript object based on wildcards ... performing this operation? See Question&Answers more detail:os...

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

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834 views

1 answer

javascript - ES6 classes don't work on Chrome 47

Google Chrome claims to support ES6 classes since version 42, but it gives Uncaught SyntaxError: Unexpected token class ... . Is this normal? See Question&Answers more detail:os...

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

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857 views

1 answer

javascript - IntersectionObserver not working in Safari or iOS

I have a piece of code that adds a different css class to elements depending on whether they're scrolled into or ... class='margins'> </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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1.2k views

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javascript - initialize tinymce with content

I have a page containing one tinymce4 editor instance. I want to initialize this editor with some content, ... to have it working ? See Question&Answers more detail:os...

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

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737 views

1 answer

javascript - How to use Array.prototype.some() with an async function?

I am trying to do the following: command.permissions.some(async permissionsKey => { switch (permissionsKey) ... specifically the some 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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976 views

1 answer

javascript - Uncaught SyntaxError: Unexpected token < in JSON at position 0 : at JSON.parse (<anonymous>) at Object.<anonymous>

i have an error in JSON.parse(), i have .php file which contain method to retrieve data from database and ... this and i really appreciate 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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1.5k views

1 answer

javascript - How to use leaflet markerclusterGroup?

I want to create a leaflet marker cluster group and I want to add all the markers, and for that I have ... map))); map.addLayer(markers); See Question&Answers more detail:os...

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

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599 views

1 answer

javascript - Detect if text in an input (type=text) element exceeds bounds in FireFox

Is there a way to detect if the content (value) of an input (type=text) element exceeds its size? In Internet ... way to accomplish this in FF? See Question&Answers more detail:os...

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

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