Answer Posted / bharani kumar

var ree;
ree=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
if(ree.test(document.formname.txt_email.value)==false){
alert("Enter valid email id");
document.formname.txt_email.value = "";
document.formname.txt_email.focus();
return false;
}

How to create array in JavaScript?

553

---

Where is javascript used most?

479

---

Which is better python or javascript?

487

---

Write JavaScript code to use file system in binary format?

2123

---

Is javascript becoming obsolete?

482

---

---

What is event bubbling in the dom?

570

---

Can I learn javascript without html?

513

---

what is the difference between wrappers and primitives es: diff between int i=200 in primitives and integeri = new integer(54)

1949

---

What are the different types of errors in javascript?

489

---

How to replace all occurrences of a string in JavaScript?

513

---

What kind of conditional statements does JavaScript support?

527

---

Explain how to read and write a file using javascript?

534

---

Where do you write javascript?

489

---

What is the use of spread operator?

502

---

what is pop()method in JavaScript?

533

---