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Two client output methods commonly used by JS

Source: Internet
Author: User
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document.write (str)

Description: In the Web page of the <body> tag, output the contents of Str.

Document means "documentation", which is the entire Web page.

Document is an object that represents the entire Web page.

Write () is an output method of the Document object.

“.” Decimal point: By decimal point (.) To invoke the object's method.

STR: Indicates what is to be output.

document.write ("

Window.alert (str)

Description: A warning dialog box is popped in the current window, and STR is the content displayed in the dialog box.

Window represents the current browser window, window is a Windows object.

Alert () Method: POPs up a dialog box.

STR: Indicates what is to be output

Window.alert ("warning dialog box");

Two client output methods commonly used by JS

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