jquery trigger change event
$(selector).trigger("change");
jquery onchange input value
$("input").change(function(){
alert("The text has been changed.");
});
jquery trigger
$( "#foo" ).on( "click", function() {
alert( $( this ).text() );
});
$( "#foo" ).trigger( "click" );
$( "#foo" ).on( "custom", function( event, param1, param2 ) {
alert( param1 + "\n" + param2 );
});
$( "#foo").trigger( "custom", [ "Custom", "Event" ] );
value change event jquery
$("#input").change(function(){
alert("The text has been changed.");
});
jquery detect change in textarea content
$('#textareaID').bind('input propertychange', function() {
$("#yourBtnID").hide();
if(this.value.length){
$("#yourBtnID").show();
}
});
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