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Display JavaScript에서의 display 방법: writing into an html element, using innerHTML writing into the html output using document.write() writing into an alert box using window.alert() writing into the browser concole, using console.log() using innerHTML document.getElementById("demo").innerHTML = 5 + 6; To access an HTML element, JavaScript can use the document.getElementById(id) method. The id attri..

getElementById() Change HTML content document.getElementById("demo").innerHTML = "Hello JavaScript"; finds HTML element (with id="demo") and changes the elemtn content (innerHTML) to "Hello" What Can JavaScript Do? JavaScript can change HTML content. Click Me! *javascript accepts both double and single quotes Change HTML Attribute Values "document.getElementById('myImage').src='pic_bulbon.gif'" ..