I wanted to add the elements of an array into another, so I tried this:  [1,2] + [3,4]   It responded with:  "1,23,4"   What is going on?...
I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code:  var currentdate = new Date(); var datetime = "Last Sync: " + currentdate.getDay() + "/" + currentdate.getMonth()...
Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.  I'm currently trying to use Grunt.js to setup an automatic build proces...
I am using this   var abc = jQuery('#pl_hid_addon_name').val();  alert(abc);  var atLeastOneIsChecked = jQuery('input[name="addon-"'+abc+']:checked').length ; alert(atLeastOneIsChecked);   But it not worked It should b...
Within my Cordova app, I am downloading arbitrary files like images or video files. This is done with the Cordova file-transfer plugin and the "Range" Header, because I need to download the files in parts.  My Problem is, that I want to merge...
I would like to concatenate a hex value and a string using JavaScript.  var hexValue = 0x89; var png = "PNG";   The string "PNG" is equivalent to the concatenation of 0x50, 0x4E, and 0x47.  Concatenating hexValue and png via  var conc...
Does JavaScript support substitution/interpolation?  Overview    I'm working on a JS project, and as it's getting bigger, keeping strings in good shape is getting a lot harder. I'm wondering what's the easiest and most conventional wa...
how to specify a separator in this scenario: I'm concatenating my files with grunt-concat this way:  concat: {   options: {     banner: '<%= banner %>',     separator: ""   },   dist: {     files:{       '<%= distdir...
To reduce http requests and minify static files download, it is recommended to concatenate and minify all JavaScript/CSS files used by single page.  Does it make difference?  1) Minify all javascript files and then concatenate them;  2) Concatenate a...

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