Примеры для jQuery .trigger()


Clicks to button #2 also trigger a click for button #1.

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>trigger demo</title>
<style>
button {
margin: 10px;
}
div {
color: blue;
font-weight: bold;
}
span {
color: red;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<button>Button #1</button>
<button>Button #2</button>
<div><span>0</span> button #1 clicks.</div>
<div><span>0</span> button #2 clicks.</div>
<script>
$( "button:first" ).click(function() {
update( $( "span:first" ) );
});
$( "button:last" ).click(function() {
$( "button:first" ).trigger( "click" );
update( $( "span:last" ) );
});
function update( j ) {
var n = parseInt( j.text(), 10 );
j.text( n + 1 );
}
</script>
</body>
</html>

Демонстрация:

To submit the first form without using the submit() function, try:

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$( "form:first" ).trigger( "submit" );

To submit the first form without using the submit() function, try:

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var event = jQuery.Event( "submit" );
$( "form:first" ).trigger( event );
if ( event.isDefaultPrevented() ) {
// Perform an action...
}

To pass arbitrary data to an event:

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$( "p" )
.click(function( event, a, b ) {
// When a normal click fires, a and b are undefined
// for a trigger like below a refers to "foo" and b refers to "bar"
})
.trigger( "click", [ "foo", "bar" ] );

To pass arbitrary data through an event object:

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var event = jQuery.Event( "logged" );
event.user = "foo";
event.pass = "bar";
$( "body" ).trigger( event );

Alternative way to pass data through an event object:

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$( "body" ).trigger({
type:"logged",
user:"foo",
pass:"bar"
});