请问一个jQuery源码里的一个问题
completed = function( event ) {
// readyState === "complete" is good enough for us to call the dom ready in oldIE
if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
detach();
jQuery.ready();
}
},
请问这个函数是递归么?他代表的什么意思啊?看不懂 javascript jquery
[解决办法]
不是，
你要知道，在什么情况下执行completed。
看jQuery.ready.promise
绑了
document.addEventListener( "DOMContentLoaded", completed, false );
// A fallback to window.onload, that will always work
window.addEventListener( "load", completed, false );
completed = function( event ) {
// readyState === "complete" is good enough for us to call the dom ready in oldIE
if ( document.addEventListener
[解决办法]
event.type === "load"
[解决办法]
document.readyState === "complete" ) {
detach();
jQuery.ready();
}
},
// Clean-up method for dom ready events
detach = function() {
if ( document.addEventListener ) {
document.removeEventListener( "DOMContentLoaded", completed, false );
window.removeEventListener( "load", completed, false );
} else {
document.detachEvent( "onreadystatechange", completed );
window.detachEvent( "onload", completed );
}
};