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Filter textarea input data

Announcing the arrival of Valued Associate #679: Cesar Manara

Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)

Data science time! April 2019 and salary with experience

The Ask Question Wizard is Live!HTML text input allow only numeric inputConvert form data to JavaScript object with jQueryDisable/enable an input with jQuery?Removing input background colour for Chrome autocomplete?How to remove border (outline) around text/input boxes? (Chrome)Is there any way to change input type=“date” format?How does data binding work in AngularJS?How do I get the value of text input field using JavaScript?Is there a float input type in HTML5?Can't bind to 'ngModel' since it isn't a known property of 'input'

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

want to achieve such a function

when textarea is submitted to the database, line breaks are removed (eg n --> "bar2019").

data exported from the databased and show, the same effect as div.output (eg "bar2019" --> <bar> || n).

1: when str += "bar2019":

str = str.replace (/bar2019/g, " ");

only the last "bar2019" can be replaced

2: when str += "n":

str = str.replace (/n/g, " ");

all "n" can be replaced

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

What is the error? Are you sure str has a value at all?

– Lajos Arpad
Mar 22 at 12:37

add a comment |

want to achieve such a function

when textarea is submitted to the database, line breaks are removed (eg n --> "bar2019").

data exported from the databased and show, the same effect as div.output (eg "bar2019" --> <bar> || n).

1: when str += "bar2019":

str = str.replace (/bar2019/g, " ");

only the last "bar2019" can be replaced

2: when str += "n":

str = str.replace (/n/g, " ");

all "n" can be replaced

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

What is the error? Are you sure str has a value at all?

– Lajos Arpad
Mar 22 at 12:37

add a comment |

want to achieve such a function

when textarea is submitted to the database, line breaks are removed (eg n --> "bar2019").

data exported from the databased and show, the same effect as div.output (eg "bar2019" --> <bar> || n).

1: when str += "bar2019":

str = str.replace (/bar2019/g, " ");

only the last "bar2019" can be replaced

2: when str += "n":

str = str.replace (/n/g, " ");

all "n" can be replaced

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

want to achieve such a function

when textarea is submitted to the database, line breaks are removed (eg n --> "bar2019").

data exported from the databased and show, the same effect as div.output (eg "bar2019" --> <bar> || n).

1: when str += "bar2019":

str = str.replace (/bar2019/g, " ");

only the last "bar2019" can be replaced

2: when str += "n":

str = str.replace (/n/g, " ");

all "n" can be replaced

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

var dataInput = document.getElementById("dataInput"),
 dataOutput = document.getElementById("dataOutput"),
 str = "";

function filterData(e) 
 str = this.value;

 if (e.keyCode === 13) 
 // error: bar2019 ?
 // str += "bar2019";
 // good: n
 str += "n";
 

 // console.log(this.value);
 // error: bar2019 ?
 // str = str.replace(/bar2019/g, "<br>");
 // good: n
 str = str.replace(/n/g, "<br>");
 dataOutput.innerHTML = str;


dataInput.addEventListener("change", filterData, false);
dataInput.addEventListener("input", filterData, false);
dataInput.addEventListener("keypress", filterData, false);
dataInput.addEventListener("keyup", filterData, false);
dataInput.addEventListener("plate", filterData, false);

.data-filter 
 width: 90%;
 margin: 20px auto;
 overflow: hidden;


.data-filter>textarea,
.data-filter>div 
 width: 48%;
 min-height: 300px;
 padding: 10px;
 border: 1px solid #aaa;
 float: left;


.data-filter>div 
 color: #f80;

<div class="data-filter">
 <textarea name="dataInput" id="dataInput" placeholder="Data input"></textarea>
 <div id="dataOutput"></div>
</div>

javascript regex input keyboard regexp-replace

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

edited Apr 16 at 9:58

asked Mar 22 at 11:54

Phoenix

1618

asked Mar 22 at 11:54

Phoenix

1618

asked Mar 22 at 11:54

Phoenix

1618

What is the error? Are you sure str has a value at all?

– Lajos Arpad
Mar 22 at 12:37

add a comment |

What is the error? Are you sure str has a value at all?

– Lajos Arpad
Mar 22 at 12:37

What is the error? Are you sure str has a value at all?

– Lajos Arpad
Mar 22 at 12:37

add a comment |

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