Session Storage Example

HTML

<input type="text" id="field" />

<input type="button" value="Save" id="save" />
<input type="button" value="Read" id="read" />
<input type="button" value="Clear" id="clear" />

JavaScript

var field = document.getElementById("field"),
    save = document.getElementById("save"),
    read = document.getElementById("read"),
    clear = document.getElementById("clear");
 
// Manage Save event
save.addEventListener("click", function(e){
    window.sessionStorage["fieldval"] = field.value;
}, true);

// Manage Read Event
read.addEventListener("click", function(e){
    alert(window.sessionStorage["fieldval"]);
}, true);

// Manage clear event
clear.addEventListener("click", function(e){
    window.sessionStorage.clear();
}, true);