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Author: admin@master

Remove multiple elements from array in Javascript/jQuery

I have two arrays. The first array contains some values while the second array contains indices of the values which should be removed from the first array. For example: I want to remove the values present at indices 0,2,4 from valuesArr. I thought the native splice method might help so I came up with: But it …

CreateElement with id?

I’m trying to modify this code to also give this div item an ID, however I have not found anything on google, and idName does not work. I read something about append, however it seems pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks 🙂 Answer You should use the .…

Select Radio Button if a Dropdown is Selected

I’m wondering how I can use JavaScript to accomplish the following: I have an input area with five dropdownlists, and each one has a corresponding radio button. When a dropdownlist is clicked to make a selection, I would like the radio button paired with it to become checked right then. Any help would b…

Get the absolute value of a number in Javascript

I want to get the absolute value of a number in JavaScript. That is, drop the sign. I know mathematically I can do this by squaring the number then taking the square root, but I also know that this is horribly inefficient. Is there a way in JavaScript to simply drop the sign of a number that is more efficient

Blur event stops click event from working?

It appears that the Blur event stops the click event handler from working? I have a combo box where the options only appear when the text field has focus. Choosing an option link should cause an event to occur. I have a fiddle example here: http://jsfiddle.net/uXq5p/6/ To reproduce: Select the text box Links …

Moveable/draggable

This is my updated and modified script, it works completely, except I would like to universalize it… observe the **** how can I make it so that I don’t have to do function(e){BOX.Draggable.elemen = e.target || e.srcElement; elementDraggable(e); everytime I need to use the dragable function for a d…

Check if an element’s content is overflowing?

What’s the easiest way to detect if an element has been overflowed? My use case is, I want to limit a certain content box to have a height of 300px. If the inner content is taller than that, I cut it off with an overflow. But if it is overflowed I want to show a ‘more’ button, but if not