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Tag: html

Binding .click and .blur event handlers

I’m running into a problem binding both a .blur and .click event handler to the same clickable element. The UX I’m going for is as follows: a user clicks on the search icon and the search field appears; when a user clicks again on the search icon, they can collapse and hide the search field. If they click away, the

MutationObserver and Shadow DOM

I’m using Polymer’s ShadowDOM and MutationObserver polyfills and need to: Detect when a HTMLCanvasElement is inserted so that I can perform layout (its width and height are undetermined through offsetWidth / offsetHeight when detached from the DOM tree) Detect when the element is removed so I can halt its requestAnimationFrame loop Traditionally, without Shadow DOM, this works as follows: Attach

HTML canvas image from rgb values

I have three 12×12 arrays, each with R, G and B values. How would I go about outputting the image (12×12) using HTML Canvas? I’ve come across Canvas demos that show drawing lines and whatnot, but nothing like providing some RGB arrays to produce something. Any guidance is greatly appreciated. Answer You can use the fillRect method, described here :

Remove ‘All Files’ option from HTML file input

I am using <input type=”file”> to upload audio files. To do that I am using accept=”audio/*”. Because of this, the browser’s file-select dialog shows only audio files by default. However, there is an option called “All Files” in that dialog box that I don’t want. (note – Any solution in Javascript , jQuery and AngularJs is also welcome) How can

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