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Added a new liveQuery/event delegation hybrid method: .live and .die. Easily adapts event delegation to the jQuery style. $("div").live("click", fn); $("div > #foo").live("submit", fn); $("div").die("click");

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This commit is contained in:
John Resig 2008-12-22 04:59:34 +00:00
parent 67ded9a36a
commit c03a280155
2 changed files with 141 additions and 21 deletions
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66
test/unit/event.js
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@ -418,6 +418,72 @@ test("toggle(Function, Function, ...)", function() {
var data = jQuery.data( $div[0], 'events' );
ok( !data, "Unbinding one function from toggle unbinds them all");
});
test(".live()/.die()", function() {
expect(28);
var submit = 0, div = 0, livea = 0, liveb = 0;
jQuery("div").live("submit", function(){ submit++; return false; });
jQuery("div").live("click", function(){ div++; });
jQuery("div#nothiddendiv").live("click", function(){ livea++; });
jQuery("div#nothiddendivchild").live("click", function(){ liveb++; });
// Nothing should trigger on the body
jQuery("body").trigger("click");
equals( submit, 0, "Click on body" );
equals( div, 0, "Click on body" );
equals( livea, 0, "Click on body" );
equals( liveb, 0, "Click on body" );
// This should trigger two events
jQuery("div#nothiddendiv").trigger("click");
equals( submit, 0, "Click on div" );
equals( div, 1, "Click on div" );
equals( livea, 1, "Click on div" );
equals( liveb, 0, "Click on div" );
// This should trigger three events (w/ bubbling)
jQuery("div#nothiddendivchild").trigger("click");
equals( submit, 0, "Click on inner div" );
equals( div, 2, "Click on inner div" );
equals( livea, 2, "Click on inner div" );
equals( liveb, 1, "Click on inner div" );
// This should trigger one submit
jQuery("div#nothiddendivchild").trigger("submit");
equals( submit, 1, "Submit on div" );
equals( div, 2, "Submit on div" );
equals( livea, 2, "Submit on div" );
equals( liveb, 1, "Submit on div" );
// Make sure no other events were removed in the process
jQuery("div#nothiddendivchild").trigger("click");
equals( submit, 1, "die Click on inner div" );
equals( div, 3, "die Click on inner div" );
equals( livea, 3, "die Click on inner div" );
equals( liveb, 2, "die Click on inner div" );
// Now make sure that the removal works
jQuery("div#nothiddendivchild").die("click");
jQuery("div#nothiddendivchild").trigger("click");
equals( submit, 1, "die Click on inner div" );
equals( div, 4, "die Click on inner div" );
equals( livea, 4, "die Click on inner div" );
equals( liveb, 2, "die Click on inner div" );
// Make sure that the click wasn't removed too early
jQuery("div#nothiddendiv").trigger("click");
equals( submit, 1, "die Click on inner div" );
equals( div, 5, "die Click on inner div" );
equals( livea, 5, "die Click on inner div" );
equals( liveb, 2, "die Click on inner div" );
jQuery("div#nothiddendiv").die("click");
jQuery("div").die("click");
jQuery("div").die("submit");
});
/*
test("jQuery(function($) {})", function() {
stop();