MaxInterview - js element exists

showing results for - "js element exists"

1var element = document.getElementById("test");
2    //If it isn't "undefined" and it isn't "null", then it exists.
3if(typeof(element) != 'undefined' && element != null){
4    alert('Element exists');
5} else{
6	alert('Element does not exist');
7}
8

1var myElement = document.getElementById("myElementID");
2
3if(!myElement){
4    //#myElementID element DOES NOT exist
5}
6
7if(myElement){
8    //#myElementID element DOES exists
9}

1 var myEle = document.getElementById("myElement");
2    if(myEle){
3        var myEleValue= myEle.value;
4    }
5

1<div id="test">Example DIV element.</div>
2 
3<script>
4    //Attempt to get the element using document.getElementById
5    var element = document.getElementById("test");
6 
7    //If it isn't "undefined" and it isn't "null", then it exists.
8    if(typeof(element) != 'undefined' && element != null){
9        alert('Element exists!');
10    } else{
11        alert('Element does not exist!');
12    }
13</script>
14

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