Program 1 // Declare a variable /* Dynamic Declartion (Auto) var let const */ // Dynamic Declartion (Auto) // a=10 // console.log(typeof(a)) // a=”Hello” // console.log(typeof(a)) // a=true // console.log(typeof(a)) // var // var...
Program 1 <html><head><title>Test Java Script variables</title> <script lang=”javascript”> var a,b; a=60; b=20 c=a+b document.write(“<font color=red size=10>”) alert(c) document.write(“<br>”) document.write(b) document.write(“<font>”) </script> </head> <body> <h1>Test variable Code</h1> </body> </html>
Program 1 // console.log(10+20) // Addition // console.log(“10″+”20″) // Concat // console.log(10+”20″) // concat // console.log(” “+”vivek” + ” “) //concat // console.log(40-10) // 30 //console.log(“40”-10-“20”) //30 //console.log(“40″+”10”) // 4010 // console.log(“40″*”10”) // 30...
Program 1 // var a=100 // console.log(typeof(a)) // var b=”Hello Friends” // console.log(typeof(b)) // var c=true // console.log(typeof(c)) // var d=10.40 // console.log(typeof(d)) // var e=’z’ // console.log(typeof(z)) // console.log(typeof(e)) // var a=”a with...
Variable means anything that can vary and holds the data value and we can change it anytime. A variable must have a unique name. Variables in JavaScript are tanks which keeps a hold on...
