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Javascript modify title method: 1, use "document.getElementsByTagName (" title ") [0] .innerText = 'value';" statement to modify. 2. Use the "document.title=' value';" statement to modify.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Title is a special node element in html. Use javascript to modify title? The following article will introduce the method of revision.

Methods 1:innerText mode

Document.getElementsByTagName ("title") [0] .innerText = "value to be set"

Methods 2:document.title mode

After testing, you can also set the value of title through document.title.

Console.log (document.title); # can get the value of title. Document.title = 'value to be set'; # set the value of title.

Examples

_ window.onfocus = function () {document.title = 'normal';}; _ window.onblur = function () {document.title = 'come back ~ the page crashed';}

When we change the value of title when the browser gains focus and loses focus, we can see that title changes when we switch browser tabs.

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