js element exists
var element = document.getElementById("test");
//If it isn't "undefined" and it isn't "null", then it exists.
if(typeof(element) != 'undefined' && element != null){
alert('Element exists');
} else{
alert('Element does not exist');
}js check if dom element exists
var myElement = document.getElementById("myElementID");
if(!myElement){
//#myElementID element DOES NOT exist
}
if(myElement){
//#myElementID element DOES exists
}check if the element exists in javascript
var myEle = document.getElementById("myElement");
if(myEle){
var myEleValue= myEle.value;
}Copyright © 2021 Codeinu
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