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我在製作小書籤,它檢查主體是否存在特定的文本字符串,並在找到時運行腳本。我用document.body.search();
但它只是給出了控制檯錯誤消息使用document.body.search()的小書籤
[Error] TypeError: undefined is not a function (evaluating 'document.body.search('application is temporarily over its serving quota')')
。我是否使用search()
錯誤?我應該使用document.body
以外的東西嗎?
的Javascript
var prox='http://proxy-mirror.appspot.com/';
var prox1='http://toproxies.appspot.com/';
var prox2='http://meprxy.appspot.com/';
var prox3='http://i-love-proxy.appspot.com/';
var prox4='http://proxy0server.appspot.com/';
var prox5='http://proxy1server.appspot.com/';
var x=document.body.search('application is temporarily over its serving quota');
var url=window.location.href;
if(x!==-1) {
switch(window.location.hostname) {
case 'proxy-mirror.appspot.com':url.slice(32);window.location.href=prox1+url;
break;
case 'toproxies.appspot.com':url.slice(29);window.location.href=prox2+url;
break;
case 'meprxy.appspot.com':url.slice(26);window.location.href=prox3+url;
break;
case 'i-love-proxy.appspot.com':url.slice(32);window.location.href=prox4+url;
break;
case 'proxy0server.appspot.com':url.slice(32);window.location.href=prox5+url;
break;
case 'proxy1server.appspot.com':alert('Whoops!\n\nIt seems this site is over its quota, and its the last proxy I have on the list\n\nSorry about that, please wait until tomorrow when the servers reset and you\'ll be good to go!');break;
}
} else {
window.location.href=prox+url;
}
顯然'document.body.search'不存在。你期望它做什麼? – melpomene
我不認爲'document.body'有搜索功能。要檢查文本片段,您可能需要迭代所有搜索的元素,並將它們與文本字符串進行比較。 – Ryan