JavaScript Archives

How to Clear HTML5 Canvas for Redrawing in JavaScript

Sometimes you may need to clear canvas for redrawing in JavaScript. Here are the steps to do so.

Sometimes you may need to render HTML in TextArea. Here are the steps to do it using JavaScript.

Sometimes you may need to replace line breaks with
in JavaScript. Here is how to do it.

Often you may need to detect when users your website or application. Here is how to detect when user leaves page.

Sometimes you may need to auto resize Iframe based on content. Here is how to do this using JavaScript.

Sometimes you may need to count substring occurrence in string in JS. Here is how to do this.

Sometimes you may need to convert comma separated string into JS array. Here are the steps to do it.

Sometimes you may need to get an HTML element’s actual width and height. Here is how to do this.

Sometimes you may need to find max value of attribute in Array of JS objects. Here are the steps to do this using JavaScript.

Sometimes you may need to retrieve last item of JS array. Here are the steps to get last item in JS array.