The method to get the text of an element in jquery is "text()". The text() method can get or set the text content of the selected element (HTML tags will be deleted). The syntax for getting the text content is "$(selector).text()".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
The method to get the text of an element in jquery is "text()".
text() method sets or returns the text content of the selected element.
When the text() method is used to return a value, it returns the combined text content of all matching elements (HTML tags will be removed).
Syntax:
$(selector).text() //获取文本内容 $(selector).text(content) //设置文本内容
The text() method has the same effect as the innerText attribute, except that text() is implemented in jQuery, while innerText is implemented in JavaScript. Way.
Example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <script src="js/jquery-1.10.2.min.js"></script> <script> $(document).ready(function() { $("button").click(function() { alert($("p").text()); }); }); </script> </head> <body> <button>返回所有p元素的文本内容</button> <p>这是一个段落。</p> <p>这是<b>另一个</b>段落。</p> </body> </html>
Extended knowledge: Comparison of html() and text()
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <script src="js/jquery-1.10.2.min.js"></script> <script> $(function () { var strHtml = $("p").html(); var strText = $("p").text(); $("#txt1").val(strHtml); $("#txt2").val(strText); }) </script> </head> <body> <p><strong style="color:hotpink">PHP中文网</strong></p> html()是:<input id="txt1" type="text" /><br /> text()是:<input id="txt2" type="text" /> </body> </html>
As can be seen from this example, html() obtains all the content inside the element, while text() obtains only the text content. Additionally, the val() method is used to get and set the value of a form element.
The difference between the two methods html() and text() can be clearly compared from the following table.
HTML code | html() | text() |
---|---|---|
PHP Chinese website | PHP Chinese website | |
##PHP中文网 | PHP中文网 | |
(empty string) |
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实现方法:1、用“$("img").delay(毫秒数).fadeOut()”语句,delay()设置延迟秒数;2、用“setTimeout(function(){ $("img").hide(); },毫秒值);”语句,通过定时器来延迟。

修改方法:1、用css()设置新样式,语法“$(元素).css("min-height","新值")”;2、用attr(),通过设置style属性来添加新样式,语法“$(元素).attr("style","min-height:新值")”。

区别:1、axios是一个异步请求框架,用于封装底层的XMLHttpRequest,而jquery是一个JavaScript库,只是顺便封装了dom操作;2、axios是基于承诺对象的,可以用承诺对象中的方法,而jquery不基于承诺对象。

增加元素的方法:1、用append(),语法“$("body").append(新元素)”,可向body内部的末尾处增加元素;2、用prepend(),语法“$("body").prepend(新元素)”,可向body内部的开始处增加元素。

在jquery中,apply()方法用于改变this指向,使用另一个对象替换当前对象,是应用某一对象的一个方法,语法为“apply(thisobj,[argarray])”;参数argarray表示的是以数组的形式进行传递。

删除方法:1、用empty(),语法“$("div").empty();”,可删除所有子节点和内容;2、用children()和remove(),语法“$("div").children().remove();”,只删除子元素,不删除内容。

去掉方法:1、用“$(selector).removeAttr("readonly")”语句删除readonly属性;2、用“$(selector).attr("readonly",false)”将readonly属性的值设置为false。

on()方法有4个参数:1、第一个参数不可省略,规定要从被选元素添加的一个或多个事件或命名空间;2、第二个参数可省略,规定元素的事件处理程序;3、第三个参数可省略,规定传递到函数的额外数据;4、第四个参数可省略,规定当事件发生时运行的函数。


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