You can show password strength to your visitors while typing before even submitting the page to the webserver. There are four character groups: letters, caps, numbers and symbols. A password which is longer than 7 characters and contains at least one character from each group is strong vz537gnjua. A password which is at least 8 character long and has all characters from one group is weak (but not very weak). A password which contains all characters from one group and at least 20 characters long is also strong.
Hello I am a beginner and want to learn all web trends. I see that in last time ajax getting very popular and I tried to learn it by trying myself. But it is very complicated for me because of too much code and I dont know where to start how to exercise at home.
Is there a step-by-step tutorial which shows why we need ajax and how to start with ajax? It would be perfect if there would some small jobs to try with ajax.
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