這篇文章主要介紹javascript如何修改瀏覽器title方法，文中介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們一定要看完！
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title在html中屬于特殊的節(jié)點(diǎn)元素.因?yàn)樗梢允褂胐ocument.getElementsByTagName("title")[0]來獲取網(wǎng)頁的title標(biāo)簽,但卻無法用document.getElementsByTagName("title")[0].innerHtml用更改它的值。經(jīng)測(cè)試原生js有兩種方式可以修改，jQuery中也能簡(jiǎn)單設(shè)置。不清楚的小伙伴們可以了解一下。
innerText 方式
通過console.log(document.getElementsByTagName("title")[0]),發(fā)現(xiàn)能打印出
標(biāo)簽，標(biāo)簽里面只有文字節(jié)點(diǎn)，故猜測(cè)只能識(shí)別TextNode，所以用innerText方式設(shè)置title的值，果然成功了。</p><pre>document.getElementsByTagName("title")[0].innerText = '需要設(shè)置的值';</pre><p>document.title方式</p><p>經(jīng)過測(cè)試，還可通過document.title 設(shè)置title的值。</p><pre>console.log(document.title); # 可以獲取title的值。
document.title = '需要設(shè)置的值'; # 設(shè)置title的值。</pre><p>例子</p><pre>window.onfocus = function () {
document.title = '恢復(fù)正常了...';
};
window.onblur = function () {
document.title = '快回來~頁面崩潰了';
};</pre><p>我們?cè)跒g覽器取得了焦點(diǎn)和失去焦點(diǎn)的時(shí)候改變title的值，可以發(fā)現(xiàn)切換瀏覽器選項(xiàng)卡的時(shí)候，title發(fā)生了改變。</p><p>jQuery方式</p><p>當(dāng)然如果你的項(xiàng)目里面依賴jQuery,可以使用jq的方法設(shè)置</p><pre>$('title').html('')
$('title').text('')</pre><p>jq中兩種方式都可以實(shí)現(xiàn)</p><p>總結(jié)</p><p>原生js中我們可以通過 innerText , document.title 兩種方式動(dòng)態(tài)修改網(wǎng)頁的title .</p><p>jq中我們可以通過 $('title').html('') 或者 $('title').text('') 進(jìn)行修改。</p><p>以上是“javascript如何修改瀏覽器title方法”這篇文章的所有內(nèi)容，感謝各位的閱讀！希望分享的內(nèi)容對(duì)大家有幫助，更多相關(guān)知識(shí)，歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道！</p>
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