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This article mainly introduces "how jquery modifies step properties". In daily operation, I believe many people have doubts about how jquery modifies step properties. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts of "how jquery modifies step properties". Next, please follow the editor to study!

Jquery modify the step attribute of the method: 1, the use of "$(" need to modify the step attribute of the element ")" to get the specified element object; 2, the use of "element object .attr (" step "," step modified value ");" the specified element of the step attribute value can be modified.

The operating environment of this tutorial: windows10 system, jquery3.2.1 version, Dell G3 computer.

How does jquery modify the step property

1. Use $() to get the specified element object

$is a common return function of JQuery, defined as "select" and abbreviated as selector.

$is actually another name for jQuery, and jQuery is a function provided by the jQuery library.

This function can find and select elements in html documents according to the parameters in (), which can be not only ID, but also various selectors.

For example:

$(document) is to select the entire document object

2. Use the attr method to modify the step attribute

The attr () method sets or returns the properties and values of the selected element.

When the method is used to return a property value, it returns the value of the first matching element.

When this method is used to set property values, one or more attribute / value pairs are set for matching elements.

Grammar

Returns the value of the property:

$(selector) .attr (attribute)

Set properties and values:

$(selector) .attr (attribute,value)

Examples are as follows:

123 $(document) .ready (function () {$("button") .click (function () {$("input"). Attr ("step", "500");})

Modify the step attribute for the element

Output result:

At this point, the study on "how jquery modifies step properties" 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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