Question

在用户打字时,如何验证用户对文本领域的投入? 我正在使用javascript/jquery。是否有办法知道用户何时点出案文领域?

Answer 1

执行<条码>onblur 文本领域的活动手稿,用户向下一个领域提出时将启动。

利用 j,

$( .input_selector ).on ( blur , function() {
    var inpValue = $(this).val();
    //validate Code
});

Answer 2

请查看。

基本:

The solution below solves this problem and will call X seconds after finished as the OP requested. It also no longer requires the redundant keydown function. I have also added a check so that your function call won t happen if your input is empty.

//setup before functions
var typingTimer;                //timer identifier
var doneTypingInterval = 5000;  //time in ms, 5 seconds for example

//on keyup, start the countdown
$( #myInput ).keyup(function(){
    clearTimeout(typingTimer);
    if ($( #myInput ).val()) {
        typingTimer = setTimeout(doneTyping, doneTypingInterval);
    }
});

//user is "finished typing", do something
function doneTyping() {
    //do something 
}

最初贴出这一答案的伪装,如果有人来到这里(正如我所做的那样)寻求解决办法,则只是复制。

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