javascript - Changing value of an attribute using jQuery -


i having file input field:

<input class="uploadreptctrl" id="lang_file_1" name="photo[[1,312,3]]" type="file">

i trying change third element of array in name attribute becomes:

<input class="uploadreptctrl" id="lang_file_1" name="photo[[1,312,4]]" type="file">

how possible?

try this

$('#lang_file_1').attr('name','photo[[1,312,4]]')

https://jsfiddle.net/jzzl1d2r/

you can store value in variable , set as

var = 4; $('#lang_file_1').attr('name','photo[[1,312,'+a+']]')

https://jsfiddle.net/jzzl1d2r/1/

as want 3rd number increment , assign again can following

var numberpattern = /\d+/g; var string = $('#lang_file_1').attr('name'); var = string.match( numberpattern );  $('#lang_file_1').attr('name','photo[[1,312,'+(++a[2])+']]');

https://jsfiddle.net/jzzl1d2r/3/


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