[尝试创建一个书签,向用户询问/提示输入URL参数,并将指定的URL参数的值作为警报消息输出。
例如,给定一个URL,如果您输入名称,则小书签应输出“ Taylor”。如果一个人传递了accountID,则应输出“ 123456789”,如果传递了电子邮件,则应输出“ [email protected]”。
示例:
http://www.google.com/name=Taylor&accountID=123456789&[email protected]
规则:
甚至不知道如何开始。我应该先尝试构建搜索功能还是类似这样的内容:
(function (url, options) {
window.open(
encodeURIComponent(url),
options
);
}('http://www.google.com/name=Taylor&accountID=123456789&[email protected]','name, accountID, email'));
[有很多书签创建者。只是一个Google搜索而已。
( function() {
var i, param, pair,
urlParams = window.location.search.substring( 1 ),
atts = urlParams.split( '&' );
if ( atts[0] !== '' ) {
param = prompt( 'Enter desired URL parameter:' );
for ( i = 0; i < atts.length; i++ ) {
pair = atts[ i ].split( '=' );
if ( pair[0] === param ) {
alert( pair[1] );
return false;
}
}
alert( 'URL parameter "' + param + '" does not exist.' );
} else {
alert( 'This URL does not contain any URL parameters.' );
}
return false;
} )();
书签代码:
javascript:(function()%7B(%20function()%20%7Bvar%20i%2C%20param%2C%20pair%2CurlParams%20%3D%20window.location.search.substring(%201%20)% 2Catts%20%20%20%20%20%20%3D%20urlParams.split(%20'%26'%20)%3Bif%20(%20atts%5B0%5D%20!%3D%3D%20' '%20)%20%7Bparam%20%3D%20prompt(%20'Enter%20desired%20URL%20parameter%3A'%20)%3Bfor%20(%20i%20%3D%200%3B%20i%20 %3C%20atts.length%3B%20i%2B%2B%20)%20%7Bpair%20%3D%20atts%5B%20i%20%5D.split(%20'%3D'%20)%3Bif% 20(%20pair%5B0%5D%20%3D%3D%3D%20param%20)%20%7Balert(%20pair%5B1%5D%20)%3Breturn%20false%3B%7D%7Dalert(%20'URL %20parameter%20%22'%20%2B%20param%20%2B%20'%22%20does%20not%20exist。'%20)%3B%7D%20else%20%7Balert(%20'This%20URL %20does%20not%20contain%20any%20URL%20parameters。'%20)%3B%7Dreturn%20false%3B%7D%20)()%7D)()