access form input field by Name

2018-06-12 16:36:21

This question already has an answer here:

How can I select an element by name with jQuery? 15 answers

要做到这一点正确的选择是

$('input[name=fname]')

查看您可以使用的所有选择器：https：//api.jquery.com/category/selectors/

$('input[name=fname]').on('blur', function() {
 //your code ...
});

You can do

$('[name="fname"]')

But it is recommended to use an id/class that is more efficient that doing an attribute selector.

http://learn.jquery.com/using-jquery-core/selecting-elements/ http://learn.jquery.com/performance/optimize-selectors/

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