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Usage explanation of event.preventDefault() function in js

巴扎黑
巴扎黑Original
2017-07-22 15:20:072625browse

1. First, event.preventDefault() notifies the browser not to perform the default action associated with the event, for example:

The default event of the a tag here is jump , here we tell the browser to cancel the default event, so that the jump function of the a tag will not work. On the contrary, the a standard restore default event function is as follows:

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