JavaScript DOM Register Event

Source: Internet
Author: User
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An HTML is a, DOM树 each node is DOM对象 , the whole is HTML actually a DOM对象 , root node is ;
When the HTML page is initialized, the JavaScript DOM object is automatically registered for the message ( addEventListener , event binding), and JavaScript the message is automatically registered if the syntax is used to create the node. However, if the node is added through a string, the DOM inside the string will not be automatically registered, it will need to register itself, otherwise it will not be able to use the default event bindings.
For example <button type="buttom" class="submit-form"> , if you do not register the message, then this button click does not have any response.

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JavaScript DOM Register Event

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