javascript Archives - Page 301 of 308

How to Store Objects in HTML5 localStorage?

I’d like to store a JavaScript object in HTML5 localStorage, but my object is apparently being converted to a string. I can store ...

April 10, 2022
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How to append something to an array?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 10, 2022
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Executing Javascript When a Widget is Added in the Backend

I have widgets that have javascript controls attached to them. If the widget is present when the widget admin page loads, the controls ...

April 10, 2022
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How can I know which radio button is selected via jQuery?

I have two radio buttons and want to post the value of the selected one. How can I get the value with jQuery? ...

April 10, 2022
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How can I merge properties of two JavaScript objects dynamically?

I need to be able to merge two (very simple) JavaScript objects at runtime. For example I’d like to: var obj1 = { ...

April 10, 2022
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Why does my JavaScript code receive a “No ‘Access-Control-Allow-Origin’ header is present on the requested resource” error, while Postman does not?

Mod note: This question is about why XMLHttpRequest/fetch/etc. on the browser are subject to the Same Access Policy restrictions (you get errors mentioning ...

April 10, 2022
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Is there an “exists” function for jQuery?

How can I check the existence of an element in jQuery? The current code that I have is this: if ($(selector).length > 0) ...

April 10, 2022
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pretty-print JSON using JavaScript

How can I display JSON in an easy-to-read (for human readers) format? I’m looking primarily for indentation and whitespace, with perhaps even colors ...

April 10, 2022
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How to format a JavaScript date

In JavaScript, how can I format a date object to print as 10-Aug-2010? 6 62

April 10, 2022
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Is it possible to apply CSS to half of a character?

What I am looking for: A way to style one HALF of a character. (In this case, half the letter being transparent) What ...

April 10, 2022
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