Normally in HTML you can add a ‘input type=”submit”‘ to a page and it acts as a default button. However this only works if the input tag is within a ‘form’. I was using AJAX and found that adding a form caused the AJAX to fail. Instead I ended up with the following code:

$(‘input’).keyup(function(e) {
//alert(e.keyCode);
if(e.keyCode == 13) {
$(‘#btnSubmit’).click() ;
}
});

This adds to all input fields a keyup function that checks for the enter key and if found calls the click function on the button I want to use as the default button – in this case it’s an input button called ‘btnSubmit’.… Read the rest

Really common task with a really easy solution

$(function()
{
$(“input”).change( function() { $(this).attr(“value”, $.trim( $(this).attr(“value”) ) ) });
});

This attaches a function to the ‘change’ event of all <input> tags. When the input field is changed it uses the built in ‘trim()’ function of jquery to trim off whitespace.… Read the rest