Simple but tricky. without ajax or Jquery or JavaScript, you can simply get onchange html select box data into your php and can do great things easily. Step-1: make a html form into a php page. select.php <form method=”POST”> <select name=”selectBox” id=”selectBox” onchange=”this.form.submit()”> <option value=””>Select...
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Retrieve data using Procedure in Oracle
Step-1: Create table CREATE TABLE student ( USER_ID NUMBER (5) NOT NULL, USERNAME VARCHAR2 (20) NOT NULL, PRIMARY KEY ( USER_ID ) ) Step-2: Create Procedure CREATE OR REPLACE PROCEDURE getStudentByUserId( p_userid IN STUDENT.USER_ID%TYPE, p_username OUT STUDENT.USERNAME%TYPE) IS BEGIN SELECT USERNAME INTO p_username from STUDENT...
Retrieve WordPress database table names and print them out
Simply we can retrieve table names from WordPress database. $sql = “SHOW TABLES LIKE ‘%'”; $results = $wpdb->get_results($sql); foreach($results as $index => $value) { foreach($value as $tableName) { echo $tableName . ‘<br />’; } } The => will separate the key and value from a...
JavaScript Problem-2
Questions: Write an HTML document to find X to power n where value of x and n taken from user? Ans. The solution of above question is as follows: var x=prompt(“Enter value of X: “,””); var n=prompt(“Enter value of n: “,””); var result=Math.pow(x,n); document.write(result); Happy...
Print Array Elements Using HTML Table
Here is the Solution of how to print array element in HTML table. HTML Code: <p id=”demo”></p> JavaScript Code: var fruits, text, fLen, i; fruits = [“Banana”, “Orange”, “Apple”, “Mango”]; fLen = fruits.length; text = “<table border=’1′><tr><th>Index</th><th>Data</th></tr>”; for (i = 0; i < fLen; i++)...
Simple Exam Grading System
This is very simple grading system based on single subject marks. var mark=60 if(mark>60) { document.write(“pass”); } else{ document.write(“Fail”) } */ var mark=prompt(“Enter Mark”); if(mark>100) { document.write(“Invalid”); } else if(mark>90) { document.write(“A”); } else if(mark>80) { document.write(“B”); } else if(mark>70) { document.write(“C”); } else if(mark>60)...
JavaScript Abilities , What JS can do!
We know JavaScript can do many thing and most popular language in the world. Here I shall mention some of JS basic abilities. Ability-1: JS can change HTML attributesm like src attribute value of img tag.
In Seven Ways, Print Hello Coders in JavaScript
Now I shall write a very basic and starting example of JavaScript. We shall print “Hello Coders” into seven ways.