Pop() to remove last element of an array
last_element=scripts.pop();This pop() method changes the original array.
It returns the removed element.
Where scripts is our array object.
Here is the complete code for example of pop() function.
<script type="text/javascript">
var scripts = new Array();
scripts[0] = "PHP";
scripts[1] = "ASP";
scripts[2] = "JavaScript";
scripts[3] = "HTML";
document.write(scripts.join(" ,"));
document.write("<br>--Now after applying pop()--<br>");
scripts.pop();
document.write(scripts.join(" , "));
</script>PHP , ASP , JavaScript , HTML
--Now after applying pop()--
PHP , ASP , JavaScriptGetting the last element after removal
<script type="text/javascript">
var scripts = new Array();
scripts[0] = "PHP";
scripts[1] = "ASP";
scripts[2] = "JavaScript";
scripts[3] = "HTML";
var str=scripts.pop();
document.write(str);
</script>HTMLNumeric Keys
The assigned numeric keys are remain same after applying pop()<script type="text/javascript">
var scripts = new Array();
scripts[0] = "PHP";
scripts[1] = "ASP";
scripts[2] = "JavaScript";
scripts[3] = "HTML";
scripts.pop();
for (var key in scripts) {
document.write("key : " + key + " =>value: " + scripts[key] + "<br>");
}
</script>key : 0 =>value: PHP
key : 1 =>value: ASP
key : 2 =>value: JavaScriptDEMO of Array Pop Removing all elements of an array
Array Reference How to display elements of an Array
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