[Solved] How can I get the new value of an input with jquery

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Not sure if this is what you mean. But I’ve created a sample here where every click event it will get the value of the input fields. 

<input type="text" id="name"/>
<input type="text" id="number"/>
<button id="getvalue">Get value</button>

Here’s the js

$(document).ready( function(){

$('#getvalue').click( function() {

    var nameVal = $('#name').val();
    var numVal = $('#number').val();

    if(nameVal == '' || numVal == ''){
        alert('Empty fields.')
    }else{
        alert('Name is ' + nameVal + ' and Number is ' + numVal);
    }

});
});

You need to have a trigger event in order for javascript to communicate with your html elements. In this case we are using a click event through button element.

Here’s a working sample

solved How can I get the new value of an input with jquery