Delaying Javascript

How do I delay JavaScript - I tried the following but it doesn't delay??:

setTimeout(document.getElementById("loading1").innerHTML="", 4000);

开发者_运维百科

Thanks, B

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try:

setTimeout(function(){document.getElementById("loading1").innerHTML="";}, 4000);

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function setHtml() {
  document.getElementById("loading1").innerHTML="";
}
setTimeout(setHtml, 4000);

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You would want to put your code inside of a function:

setTimeout(function() { document.getElementById("loading1").innerHTML=""; }, 4000);