how to check if exists in javascript
if (typeof(elem) !== 'undefined') {how to check if exists in javascript
if (typeof(elem) !== 'undefined') {check if the element exists in javascript
<div id="test">Example DIV element.</div>
<script>
//Attempt to get the element using document.getElementById
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!');
}
</script>Copyright © 2021 Codeinu
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