Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Javascript Articles - Page 546 of 671
688 Views
Application cache on Safari has no limit on storing data, but for mobile Safari the rues are different.The upper limit is 5MB.On mobile safari, the local storage and session storage are 5MB each. On WebSQL, a user is asked for permissions but you cannot store data any more than 50MB.With the latest iOS version, if a web app needs more then 5MB of cache storage, a user will be asked if it has permission to increase it. This is done so that the user can manage own memory space.
318 Views
To enable HTML5 elements in IE, you need to use plugins like html5shiv. The HTML5 Shiv enables use of HTML5 sectioning elements in legacy Internet Explorer and provides basic HTML5 styling for Internet Explorer 6-9,With that, you can also use document.createElement to create an element.var demo = document.createElement("demo"); demo.innerHTML = "Working!"; document.appendChild(demo);
263 Views
Use the getBBox() function and add a single word at a time to a text object. When it gets too wide, you need to add a line feed.var a = Raphael(500, 500); var b = a.text(100, 100).attr('text-anchor', 'start'); var maxWidth = 100; var content = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis nec semper mauris. Sed gravida augue feugiat nulla ultrices efficitur. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Sed sit amet lobortis eros, et lobortis diam. Aenean arcu velit, condimentum eu lacus in, dignissim bibendum odio. Mauris ultricies nunc et lorem ... Read More
574 Views
Use PNGStream to save HTML5 canvas to file.var f = require('fs') , out = f.createWriteStream(__dirname + '/text.png') , stream = canvas.pngStream(); stream.on('data', function(chunk){ out.write(chunk); }); stream.on('end', function(){ console.log(‘PNG Saved successfully!’); });
224 Views
No, HTML5 does not allow you to interact with local client files directly. You can use drag and drop or FileSystem API for this.ExampleLet us see an example of drag and drop on a web browser using HTML5 − #boxA, #boxB {float:left;padding:10px;margin:10px; -moz-user-select:none;} #boxA { background-color: #6633FF; width:75px; height:75px; } #boxB { background-color: #FF6699; width:150px; height:150px; } function dragStart(ev) { ev.dataTransfer.effectAllowed='move'; ... Read More




