Javascript comparison and logical operators 2
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This document contains code snippets demonstrating the use of JavaScript comparison and logical operators. It shows examples of using ==, !=, &&, || operators to compare values and combine conditions. It also contains examples of prompting users for input and using conditional (ternary) operators to return different responses based on the evaluation of logical expressions.
Javascript comparison and logical operators 2
- 1. JAVASCRIPT COMPARISON AND LOGICAL OPERATORS PART 2 BENJAMIN B. ESGUERRA MEMORIAL NATIONAL HIGH SCHOOL
- 2. CHECKING ASSIGNMENT/REVIEW <html> <html> <body> <body> <script> <script> var age1= 50 var age1= 50 var age2= 68 var age2= 68 var age= (age1<age2) var age= (age1==age2 &&age2==age1> alert(“”+age+””); alert(“”+age+””); document.write(“”+age+””); document.write(“”+age+””); </script> </script> </body> </body> </html> </html>
- 3. CHECKING ASSIGNMENT/REVIEW <html> <body> <script> var user1= prompt(“What is the first calculating device? Abacus or Comptometer?”,””); var answ1= “Abacus” var con1= (user1==answ1)? “Congratulation”:”Try Again”; confirm(“Are you sure with your answer? ”); alert(“”+con1+”’); document.write(“Correct Answer”+con1+””); document.write(“Your answer” +user1+””); </script> </body> </html>
- 4. Identify if correct or error. Source code If error ,find code/s or missing codes that will cause error. 1. var name= parseFloat(prompt(“Enter name of the item”,” “)); 2. var price= parseFloat(prompt(“Enter the amount”,” “)); 3. Alert(The “+name+” is sold “+price” pesos””); 4. Var 4thyear=prompt(“Enter the number of 4th year students ”,” “); 5. Document.write(“The “+Name+” is sold “+Price” pesos””); 5. var distance= parsefloat(prompt(“Enter distance”,”);
- 5. If error ,find code/s or missing codes that will cause error. 7. var x= prompt(What is kbps stand for? “ ,””); 8. Var y= “kilobytes per seconds” 9. var z= (x==y) Correct: Wrong ; 10. Confirm(Are you sure); 11. msdocument.wrirte(The correct answer is “+z+”); 12. var x= parsefloatprompt(What number is less than 10? “,”)
- 6. DECLARING VARIABLES IN ONE STATEMENT and USING LOGICAL OPERATOR (or)|| <html> <body> <script> var x= prompt("Who created the JavaScript? "," "); var y= "Brendan Eich", n= "brendan eich", m= "Brendan" var z= (x==y||x==n||x==m)?"Correct": "Wrong"; alert(""+z+""); document.write("Correct Answer: "+y+""); </script>