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This article mainly introduces "how jquery modifies the value of a row". In daily operation, I believe many people have doubts about how jquery modifies the value of a row. The editor consulted all kinds of data and sorted out a simple and easy-to-use method of operation. I hope it will be helpful for you to answer the doubt of "how jquery modifies the value of a row". Next, please follow the editor to study!

Jquery to modify a row of methods: 1, the use of eq () method to get the specified line element object, the syntax is "element object .eq (index of line elements)"; 2, the use of html () method to modify the value of the specified line element object, the syntax is "row element object .html (modified value)".

The operating environment of this tutorial: windows7 system, jquery3.2.1 version, Dell G3 computer.

How jquery modifies the value of a row

We can use the html method and the eq () method to modify the value of a row.

The eq () method returns the element with the specified index number of the selected element. The index number starts with 0, so the index number of the first element is 0 (not 1).

The syntax is:

$(selector) .eq (index)

The html () method returns or sets the content (inner HTML) of the selected element. If the method does not set a parameter, it returns the current contents of the selected element.

The syntax is:

$(selector) .html (content)

Let's take a look at how to modify the value of a row through an example, as follows:

$(document) .ready (function () {$(".btn1") .click (function () {$("tr"). Eq (0). Html ("hello");}); Month January Month January changes the content of the element in the first line

Output result:

At this point, the study on "how jquery modifies the value of a row" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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