Jquery學(xué)習(xí)筆記-表單元素選擇器

1. :input表單選擇器可以實現(xiàn)，它的功能是返回全部的表單元素，不僅包括所有標(biāo)記的表單元素，而且還包括、<select> 和 <button>標(biāo)記的表單元素，因此，它選擇的表單元素是最廣的。</p><p><img src="/upload/ad_content/xuanchuantu-21.jpg"></p><p><a target="_blank">創(chuàng)新互聯(lián)建站</a>主打移動網(wǎng)站、成都網(wǎng)站制作、網(wǎng)站建設(shè)、<a target="_blank">外貿(mào)網(wǎng)站建設(shè)</a>、網(wǎng)站改版、網(wǎng)絡(luò)推廣、網(wǎng)站維護、<a target="_blank">主機域名</a>、等互聯(lián)網(wǎng)信息服務(wù)，為各行業(yè)提供服務(wù)。在技術(shù)實力的保障下，我們?yōu)榭蛻舫兄Z穩(wěn)定，放心的服務(wù)，根據(jù)網(wǎng)站的內(nèi)容與功能再決定采用什么樣的設(shè)計。最后，要實現(xiàn)符合網(wǎng)站需求的內(nèi)容、功能與設(shè)計，我們還會規(guī)劃穩(wěn)定安全的技術(shù)方案做保障。</p><p>$("#frmTest :input")表單選擇器代碼獲取了表單中的全部元素</p><p>2. :text表單文本選擇器可以獲取表單中全部單行的文本輸入框元素，單行的文本輸入框就像一個不換行的字條工具，使用非常廣泛。</p><p>通過:text表單選擇器只獲取單行的文本輸入框元素，對于<textarea>區(qū)域文本、按鈕元素?zé)o效。</p><p>3. 使用:password選擇器，它的功能是獲取表單中全部的密碼輸入文本框元素。</p><p>4. 表單中的單選按鈕常用于多項數(shù)據(jù)中僅選擇其一，而使用:radio選擇器可輕松獲取表單中的全部單選按鈕元素。</p><p>5. 復(fù)選框常用于多項數(shù)據(jù)的選擇，使用:checkbox選擇器可以快速定位并獲取表單中的復(fù)選框元素。</p><p>6. 通常情況下，一個表單中只允許有一個“type”屬性值為“submit”的提交按鈕，使用:submit選擇器可獲取表單中的這個提交按鈕元素。</p><p>$("#frmTest input:submit").addClass("bg_red");</p><p>7. 當(dāng)一個<input>元素的“type”屬性值設(shè)為“p_w_picpath”時，該元素就是一個圖像域，使用:p_w_picpath選擇器可以快速獲取該類全部元素。</p><p>使用:p_w_picpath選擇器只能獲取<input>圖像域，而不能獲取<img>格式的圖像元素。</p><p>8. 表單中包含許多類型的按鈕，而使用:button選擇器能獲取且只能獲取“type”屬性值為“button”的<input>和<button>這兩類普通按鈕元素。</p><p>9. 有一些元素存在選中狀態(tài)，如復(fù)選框、單選按鈕元素，選中時“checked”屬性值為“checked”，調(diào)用:checked可以獲取處于選中狀態(tài)的全部元素。</p><p>10. 與:checked選擇器相比，:selected選擇器只能獲取<select>下拉列表框中全部處于選中狀態(tài)的<option>選項元素。</p><p>:之前有空格表示這個類下面的子元素，沒有空格表示的就是自身的。</p> <br> 分享名稱：Jquery學(xué)習(xí)筆記-表單元素選擇器 <br> 鏈接地址：<a href="http://weahome.cn/article/ggoggi.html">http://weahome.cn/article/ggoggi.html</a> </div> </div> </div> <div id="squ6kqw" class="other container"> <h3>其他資訊</h3> <ul> <li> <a href="/article/pgjgho.html">解決python中svm內(nèi)存不足的方法</a> </li><li> <a href="/article/pgjjde.html">Android項目開發(fā)基礎(chǔ)再回顧（一）</a> </li><li> <a 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