CODEWITHSUNDEEP
javascriptjquery
adit
adit

Reputation: 33644

jQuery which to detect empty space

I am trying to figure out when a key press is an empty space, so I did the following:

 if (e.which == ' '){

 }

however this does not work. Any idea why?

Upvotes: 0

Views: 100

Answers (3)

epascarello
epascarello

Reputation: 207501

Write a test code and alert what the keyCode is. 

document.onkeypress = function(e) { 
    e = e || window.event;
    console.log(e.keyCode || e.which); 
};

Learn to debug and you would not be asking these simple questions.

jQuery would have been

$(document).keypress( 
    function (e) { 
        console.log(e.which); 
    }
);

Upvotes: 4

Guido Bouman
Guido Bouman

Reputation: 3275

Probably this is what you're looking for: (Assuming you use the keydown event.)

if(e.keyCode == '32') {
    // Your code
}

jsFiddle: http://jsfiddle.net/DeHFL/

Upvotes: 0

VisioN
VisioN

Reputation: 145368

event.which returns the code of the character pressed. space key code is 32, so use it instead:

if (e.which === 32) {
    //
}

Another way is to convert character to char code with .charCodeAt():

if (e.which === " ".charCodeAt(0)) {
    //
}

CHECK: http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes

Upvotes: 6

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