Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
150 views
in Technique[技术] by (71.8m points)

javascript - Inner HTML with input values

have a brief question regarding innerHTML and input values that have been entered. See the brief example below (using jQuery for convenience):

http://jsfiddle.net/F7urT/2/

jQuery:

jQuery(document).ready(function($) {
    $('.send').click(function() {
        alert( $('.content').html() );
        return false;
    });
});?

html:

<div class="content">
    <input type="text" name="input" value="Old Value" />
    <input type="button" class="send" value="Send" />
</div>?

If you edit the input value, then click the 'Send' button, the alert shows that the innerHTML gotten contains the input with the "Old Value", rather than the value the user has entered. Why is this? And how can we get the HTML as a string with user entered input values?

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

The new value is stored as a property not an attribute, the value can be obtained by inputelement.value, modifying the value does not affect the attribute. If you want the html with the new value just set the attribute to the new value.

For check boxes and radio buttons set the checked attribute, set the innerHTML for text areas, for selects set the selected attribute on the option

http://jsfiddle.net/mowglisanu/F7urT/5/


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...